diff --git a/tycho.spec b/tycho.spec
index c95fe60..88c0a67 100644
--- a/tycho.spec
+++ b/tycho.spec
@@ -384,6 +384,8 @@ for b in org.eclipse.osgi \
          org.eclipse.osgi.compatibility.state ; do
   osgiJarPath=$(find .m2/org/eclipse/tycho/$b/*/ -name "*.jar")
   osgiPomPath=$(find .m2/org/eclipse/tycho/$b/*/ -name "*.pom")
+  %pom_remove_parent $osgiPomPath
+  %pom_xpath_set "pom:project/pom:groupId" "org.eclipse.tycho" $osgiPomPath
   %{mvn_artifact} $osgiPomPath $osgiJarPath
 done
 %endif