diff --git a/inject-kotlin/src/main/kotlin/io/micronaut/kotlin/processing/annotation/KotlinAnnotationMetadataBuilder.kt b/inject-kotlin/src/main/kotlin/io/micronaut/kotlin/processing/annotation/KotlinAnnotationMetadataBuilder.kt
index 6a7c90d0299..37b68fa0614 100644
--- a/inject-kotlin/src/main/kotlin/io/micronaut/kotlin/processing/annotation/KotlinAnnotationMetadataBuilder.kt
+++ b/inject-kotlin/src/main/kotlin/io/micronaut/kotlin/processing/annotation/KotlinAnnotationMetadataBuilder.kt
@@ -40,7 +40,7 @@ import io.micronaut.core.annotation.AnnotationClassValue
 import io.micronaut.core.annotation.AnnotationUtil
 import io.micronaut.core.annotation.AnnotationValue
 import io.micronaut.core.util.ArrayUtils
-import io.micronaut.core.util.clhm.ConcurrentLinkedHashMap
+import io.micronaut.core.util.StringUtils
 import io.micronaut.inject.annotation.AbstractAnnotationMetadataBuilder
 import io.micronaut.inject.annotation.MutableAnnotationMetadata
 import io.micronaut.inject.visitor.VisitorContext
@@ -400,7 +400,9 @@ internal class KotlinAnnotationMetadataBuilder(private val symbolProcessorEnviro
                 val argument = annotationType.mirror.defaultArguments.find { it.name == prop.simpleName }
                 if (argument?.value != null && argument.isDefault()) {
                     val value = argument.value!!
-                    map[prop] = value
+                    if (value !is String || !StringUtils.isEmpty(value)) {
+                        map[prop] = value
+                    }
                 }
             }
             map
diff --git a/inject-kotlin/src/test/groovy/io/micronaut/kotlin/processing/beans/BeanDefinitionSpec.groovy b/inject-kotlin/src/test/groovy/io/micronaut/kotlin/processing/beans/BeanDefinitionSpec.groovy
index 9f962d1d8ce..e36de34a0bb 100644
--- a/inject-kotlin/src/test/groovy/io/micronaut/kotlin/processing/beans/BeanDefinitionSpec.groovy
+++ b/inject-kotlin/src/test/groovy/io/micronaut/kotlin/processing/beans/BeanDefinitionSpec.groovy
@@ -416,6 +416,7 @@ class Test
         then:
         defaults["num"] == 10
         defaults["bool"] == false
+        defaults["value"] == null
         defaults["intArray1"] == new int[] {}
         defaults["intArray2"] == new int[] {1, 2, 3}
         defaults["intArray3"] == null