diff --git a/maven-script/maven-script-marmalade/src/main/java/org/apache/maven/script/marmalade/tags/MetadataTag.java b/maven-script/maven-script-marmalade/src/main/java/org/apache/maven/script/marmalade/tags/MetadataTag.java
index 4ce0fbbf2c..7464916b4a 100644
--- a/maven-script/maven-script-marmalade/src/main/java/org/apache/maven/script/marmalade/tags/MetadataTag.java
+++ b/maven-script/maven-script-marmalade/src/main/java/org/apache/maven/script/marmalade/tags/MetadataTag.java
@@ -112,6 +112,8 @@ public class MetadataTag
             }
             
             String implementationPath = getTagInfo().getSourceFile().substring( basePath.length() );
+            
+            implementationPath = implementationPath.replace('\\', '/');
 
             descriptor.setImplementation( implementationPath );
         }