diff --git a/org.eclipse.jgit/META-INF/MANIFEST.MF b/org.eclipse.jgit/META-INF/MANIFEST.MF
index 7f2ace0f8..210316b6a 100644
--- a/org.eclipse.jgit/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit/META-INF/MANIFEST.MF
@@ -48,7 +48,7 @@ Export-Package: org.eclipse.jgit.api;version="3.5.0";
  org.eclipse.jgit.gitrepo;version="3.5.0";
   uses:="org.eclipse.jgit.api,
    org.eclipse.jgit.lib",
- org.eclipse.jgit.gitrepo.internal;version="3.5.0",
+ org.eclipse.jgit.gitrepo.internal;version="3.5.0";x-internal:=true,
  org.eclipse.jgit.ignore;version="3.5.0",
  org.eclipse.jgit.internal;version="3.5.0";x-friends:="org.eclipse.jgit.test,org.eclipse.jgit.http.test",
  org.eclipse.jgit.internal.storage.dfs;version="3.5.0";x-friends:="org.eclipse.jgit.test",