diff --git a/src/java/org/apache/ivy/osgi/p2/P2Descriptor.java b/src/java/org/apache/ivy/osgi/p2/P2Descriptor.java
index b0354950..06ff6b32 100644
--- a/src/java/org/apache/ivy/osgi/p2/P2Descriptor.java
+++ b/src/java/org/apache/ivy/osgi/p2/P2Descriptor.java
@@ -133,7 +133,7 @@ public class P2Descriptor extends RepoDescriptor {
                 continue;
             }
             DefaultArtifact sourceArtifact = BundleInfoAdapter.buildArtifact(
-                md.getModuleRevisionId(), getBaseUri(), source, "source");
+                md.getModuleRevisionId(), getBaseUri(), source, "source", null);
             md.addArtifact(BundleInfoAdapter.CONF_NAME_DEFAULT, sourceArtifact);
         }
         sourceURIs = null;