diff --git a/README.md b/README.md
index 0202416..8e06bad 100644
--- a/README.md
+++ b/README.md
@@ -243,3 +243,10 @@ interface Printer {
   
 }
 ```
+
+## iOS notes:
+* You may get errors while compiling: you need to make sure the native lib is "embed and sign" .
+ see https://github.com/MenelicSoftware/cordova-plugin-brother-label-printer/issues/39
+
+* If you are getting errors about unsupported architectures, please look at
+ http://ikennd.ac/blog/2015/02/stripping-unwanted-architectures-from-dynamic-libraries-in-xcode/
\ No newline at end of file
diff --git a/package.json b/package.json
index 433ebc5..b513b5e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cordova-plugin-brother-label-printer",
-  "version": "1.6.0",
+  "version": "1.6.1",
   "description": "Cordova plugin for brother label printers",
   "cordova": {
     "id": "cordova-plugin-brother-label-printer",
diff --git a/plugin.xml b/plugin.xml
index 6b25913..1a9419d 100644
--- a/plugin.xml
+++ b/plugin.xml
@@ -3,7 +3,7 @@
 <plugin xmlns="http://www.phonegap.com/ns/plugins/1.0"
         xmlns:android="http://schemas.android.com/apk/res/android"
         id="cordova-plugin-brother-label-printer"
-        version="1.6.0">
+        version="1.6.1">
 
     <name>BrotherPrinter</name>
 
diff --git a/src/android/BrotherPrinter.java b/src/android/BrotherPrinter.java
index dd9f9f7..0041e93 100644
--- a/src/android/BrotherPrinter.java
+++ b/src/android/BrotherPrinter.java
@@ -394,7 +394,7 @@ private void setPrinter(JSONArray args, final CallbackContext callbackctx) {
             editor.putString("orientation", printer.orientation != null ? printer.orientation : PrinterInfo.Orientation.LANDSCAPE.toString());
             editor.putString("numberOfCopies", printer.numberOfCopies);
 
-            if(!printer.customPaperFilePath.isEmpty()) {
+            if(printer.customPaperFilePath != null && !printer.customPaperFilePath.isEmpty()) {
                 String targetBinFolder = cordova.getActivity()
                         .getExternalFilesDir("customPaperFileSet/").toString();
                 copyBinFile("www/" + printer.customPaperFilePath, targetBinFolder);