diff --git a/lib/felix.unit.test.properties b/lib/felix.unit.test.properties
index 080907cdd..57f3f0752 100644
--- a/lib/felix.unit.test.properties
+++ b/lib/felix.unit.test.properties
@@ -60,7 +60,8 @@ felix.auto.start.4= \
  reference:file:sc-bundles/version.jar \
  reference:file:sc-bundles/version-impl.jar \
  reference:file:sc-bundles/keybindings.jar \
- reference:file:sc-bundles/netaddr.jar
+ reference:file:sc-bundles/netaddr.jar \
+ reference:file:sc-bundles/contactsource.jar
 
 felix.auto.start.5= \
  reference:file:sc-bundles/bouncycastle.jar \