diff --git a/.idea/caches/build_file_checksums.ser b/.idea/caches/build_file_checksums.ser
new file mode 100644
index 0000000..d8fbee9
Binary files /dev/null and b/.idea/caches/build_file_checksums.ser differ
diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml
new file mode 100644
index 0000000..8ad84a3
--- /dev/null
+++ b/.idea/jarRepositories.xml
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RemoteRepositoriesConfiguration">
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Maven Central repository" />
+      <option name="url" value="https://repo1.maven.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="jboss.community" />
+      <option name="name" value="JBoss Community repository" />
+      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="maven2" />
+      <option name="name" value="maven2" />
+      <option name="url" value="https://maven.google.com" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="MavenLocal" />
+      <option name="name" value="MavenLocal" />
+      <option name="url" value="file:$PROJECT_DIR$/../.m2/repository/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="BintrayJCenter" />
+      <option name="name" value="BintrayJCenter" />
+      <option name="url" value="https://jcenter.bintray.com/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="maven" />
+      <option name="name" value="maven" />
+      <option name="url" value="https://jitpack.io" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="Google" />
+      <option name="name" value="Google" />
+      <option name="url" value="https://dl.google.com/dl/android/maven2/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="MavenLocal" />
+      <option name="name" value="MavenLocal" />
+      <option name="url" value="file:$USER_HOME$/.m2/repository/" />
+    </remote-repository>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
index b6ec605..d29cd44 100644
--- a/.idea/modules.xml
+++ b/.idea/modules.xml
@@ -2,8 +2,8 @@
 <project version="4">
   <component name="ProjectModuleManager">
     <modules>
-      <module fileurl="file://$PROJECT_DIR$/Entwicklung.iml" filepath="$PROJECT_DIR$/Entwicklung.iml" group="Entwicklung" />
-      <module fileurl="file://$PROJECT_DIR$/app/app.iml" filepath="$PROJECT_DIR$/app/app.iml" group="Entwicklung/app" />
+      <module fileurl="file://$PROJECT_DIR$/app/app.iml" filepath="$PROJECT_DIR$/app/app.iml" group="kolabnotes-android/app" />
+      <module fileurl="file://$PROJECT_DIR$/.idea/modules/kolabnotes-android.iml" filepath="$PROJECT_DIR$/.idea/modules/kolabnotes-android.iml" group="kolabnotes-android" />
     </modules>
   </component>
 </project>
\ No newline at end of file
diff --git a/Entwicklung.iml b/.idea/modules/kolabnotes-android.iml
similarity index 51%
rename from Entwicklung.iml
rename to .idea/modules/kolabnotes-android.iml
index 4fe1738..a807f92 100644
--- a/Entwicklung.iml
+++ b/.idea/modules/kolabnotes-android.iml
@@ -1,17 +1,17 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<module external.linked.project.id="Entwicklung" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$" external.system.id="GRADLE" type="JAVA_MODULE" version="4">
+<module external.linked.project.id="kolabnotes-android" external.linked.project.path="$MODULE_DIR$/../.." external.root.project.path="$MODULE_DIR$/../.." external.system.id="GRADLE" external.system.module.group="" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
   <component name="FacetManager">
     <facet type="java-gradle" name="Java-Gradle">
       <configuration>
-        <option name="BUILD_FOLDER_PATH" value="$MODULE_DIR$/build" />
+        <option name="BUILD_FOLDER_PATH" value="$MODULE_DIR$/../../build" />
         <option name="BUILDABLE" value="false" />
       </configuration>
     </facet>
   </component>
   <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8" inherit-compiler-output="true">
     <exclude-output />
-    <content url="file://$MODULE_DIR$">
-      <excludeFolder url="file://$MODULE_DIR$/.gradle" />
+    <content url="file://$MODULE_DIR$/../..">
+      <excludeFolder url="file://$MODULE_DIR$/../../.gradle" />
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7131eb7..212c0ae 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 You can also have a look on the GitHub release page: https://github.com/konradrenner/kolabnotes-android/releases
 
+## [4.0.1] - 2020-07-30
+### Fixed
+- GitHub issue 188 (thanks to Reimar Döffinger!)
+
 ## [4.0.0] - 2019-10-18
 ### Added
 - Android Q support
@@ -104,7 +108,8 @@ You can also have a look on the GitHub release page: https://github.com/konradre
 ### Fixed
 - First stable release, support for all major features of the Kolab notes format
 
-[Unreleased]: https://github.com/konradrenner/kolabnotes-android/compare/4.0.0...HEAD
+[Unreleased]: https://github.com/konradrenner/kolabnotes-android/compare/4.0.1...HEAD
+[4.0.1]: https://github.com/konradrenner/kolabnotes-android/compare/3.2.1...4.0.1
 [4.0.0]: https://github.com/konradrenner/kolabnotes-android/compare/3.2.1...4.0.0
 [3.2.1]: https://github.com/konradrenner/kolabnotes-android/compare/3.2.0...3.2.1
 [3.2.0]: https://github.com/konradrenner/kolabnotes-android/compare/3.1.3...3.2.0
diff --git a/app/app.iml b/app/app.iml
index 0761ec2..b3f7954 100644
--- a/app/app.iml
+++ b/app/app.iml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<module external.linked.project.id=":app" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$/.." external.system.id="GRADLE" type="JAVA_MODULE" version="4">
+<module external.linked.project.id=":app" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$/.." external.system.id="GRADLE" external.system.module.group="kolabnotes-android" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
   <component name="FacetManager">
     <facet type="android-gradle" name="Android-Gradle">
       <configuration>
         <option name="GRADLE_PROJECT_PATH" value=":app" />
-        <option name="LAST_SUCCESSFUL_SYNC_AGP_VERSION" value="3.6.1" />
-        <option name="LAST_KNOWN_AGP_VERSION" value="3.6.1" />
+        <option name="LAST_SUCCESSFUL_SYNC_AGP_VERSION" value="4.0.1" />
+        <option name="LAST_KNOWN_AGP_VERSION" value="4.0.1" />
       </configuration>
     </facet>
     <facet type="android" name="Android">
@@ -19,8 +19,8 @@
         <option name="ALLOW_USER_CONFIGURATION" value="false" />
         <option name="MANIFEST_FILE_RELATIVE_PATH" value="/src/main/AndroidManifest.xml" />
         <option name="RES_FOLDER_RELATIVE_PATH" value="/src/main/res" />
-        <option name="RES_FOLDERS_RELATIVE_PATH" value="file://$MODULE_DIR$/src/main/res" />
-        <option name="TEST_RES_FOLDERS_RELATIVE_PATH" value="" />
+        <option name="RES_FOLDERS_RELATIVE_PATH" value="file://$MODULE_DIR$/src/main/res;file://$MODULE_DIR$/src/debug/res;file://$MODULE_DIR$/build/generated/res/rs/debug" />
+        <option name="TEST_RES_FOLDERS_RELATIVE_PATH" value="file://$MODULE_DIR$/src/androidTest/res;file://$MODULE_DIR$/src/test/res;file://$MODULE_DIR$/src/androidTestDebug/res;file://$MODULE_DIR$/src/testDebug/res;file://$MODULE_DIR$/build/generated/res/rs/androidTest/debug" />
         <option name="ASSETS_FOLDER_RELATIVE_PATH" value="/src/main/assets" />
       </configuration>
     </facet>
@@ -97,7 +97,8 @@
     <orderEntry type="library" scope="TEST" name="Gradle: com.google.code.findbugs:jsr305:2.0.1@jar" level="project" />
     <orderEntry type="library" scope="TEST" name="Gradle: androidx.test.espresso:espresso-core:3.1.0@aar" level="project" />
     <orderEntry type="library" scope="TEST" name="Gradle: androidx.test.ext:junit:1.1.1@aar" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: androidx.test:runner:1.1.0@aar" level="project" />
+    <orderEntry type="library" scope="TEST" name="Gradle: androidx.test:rules:1.1.1@aar" level="project" />
+    <orderEntry type="library" scope="TEST" name="Gradle: androidx.test:runner:1.1.1@aar" level="project" />
     <orderEntry type="library" scope="TEST" name="Gradle: androidx.test:core:1.2.0@aar" level="project" />
     <orderEntry type="library" scope="TEST" name="Gradle: androidx.test:monitor:1.2.0@aar" level="project" />
     <orderEntry type="library" scope="TEST" name="Gradle: androidx.test.espresso:espresso-idling-resource:3.1.0@aar" level="project" />
diff --git a/app/build.gradle b/app/build.gradle
index 750b14f..fb8d678 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -8,8 +8,8 @@ android {
         applicationId "org.kore.kolabnotes.android"
         minSdkVersion 16
         targetSdkVersion 29
-        versionCode 101
-        versionName "4.0.0"
+        versionCode 102
+        versionName "4.0.1"
 
         //Running test
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
diff --git a/build.gradle b/build.gradle
index b640f15..b7a8e12 100644
--- a/build.gradle
+++ b/build.gradle
@@ -8,7 +8,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.6.1'
+        classpath 'com.android.tools.build:gradle:4.0.1'
     }
 }
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index afe7acf..7cc04c4 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Fri Mar 20 14:17:52 CET 2020
+#Fri Jul 03 11:50:19 CEST 2020
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip