diff --git a/maven-plugin-plugin/src/main/java/org/apache/maven/plugin/plugin/AbstractGeneratorMojo.java b/maven-plugin-plugin/src/main/java/org/apache/maven/plugin/plugin/AbstractGeneratorMojo.java
index 2f77aa0..758a215 100644
--- a/maven-plugin-plugin/src/main/java/org/apache/maven/plugin/plugin/AbstractGeneratorMojo.java
+++ b/maven-plugin-plugin/src/main/java/org/apache/maven/plugin/plugin/AbstractGeneratorMojo.java
@@ -115,7 +115,7 @@ public abstract class AbstractGeneratorMojo
         {
             goalPrefix = defaultGoalPrefix;
         }
-        else
+        else if ( !goalPrefix.equals( defaultGoalPrefix ) )
         {
             getLog().warn(
                            "\n\nGoal prefix is specified as: '" + goalPrefix + "'. "