diff --git a/eclipse-jgit.spec b/eclipse-jgit.spec
index 03842a3..ca21b47 100644
--- a/eclipse-jgit.spec
+++ b/eclipse-jgit.spec
@@ -17,6 +17,7 @@
 
 
 %global gittag 5.8.0.202006091008-r
+%define __requires_exclude osgi*
 Name:           eclipse-jgit
 Version:        5.8.0
 Release:        0
@@ -58,6 +59,7 @@ BuildRequires:  maven-local
 BuildRequires:  slf4j
 BuildRequires:  tycho
 BuildRequires:  xml-commons-apis
+BuildRequires:  xmvn-subst
 #!BuildIgnore:  eclipse-platform
 #!BuildIgnore:  tycho-bootstrap
 #!BuildRequires: eclipse-emf-core eclipse-ecf-core
@@ -146,7 +148,8 @@ popd
 pushd org.eclipse.jgit.packaging
 %mvn_install
 popd
-%fdupes -s %{buildroot}%{_datadir}
+xmvn-subst -R %{buildroot} %{_datadir}/eclipse/droplets/jgit
+#%fdupes -s %{buildroot}%{_datadir}
 
 %files -f org.eclipse.jgit.packaging/.mfiles
 %license LICENSE