diff --git a/src/main/java/org/codehaus/mojo/flatten/FlattenMojo.java b/src/main/java/org/codehaus/mojo/flatten/FlattenMojo.java
index 558a0d8f..438198fe 100644
--- a/src/main/java/org/codehaus/mojo/flatten/FlattenMojo.java
+++ b/src/main/java/org/codehaus/mojo/flatten/FlattenMojo.java
@@ -370,8 +370,11 @@ public class FlattenMojo
     /**
      * The core maven model readers/writers are discarding the comments of the pom.xml.
      * By setting keepCommentsInPom to true the current comments are moved to the flattened pom.xml.
+     * Default value is false (= not re-adding comments).
+     * 
+     * @since 1.2.8
      */
-    @Parameter( property = "flatten.dependency.keepComments", required = false )
+    @Parameter( property = "flatten.dependency.keepComments", required = false , defaultValue = "false")
     private Boolean keepCommentsInPom;
 
     @Component