diff --git a/utils/umc_dev/org.wesnoth.dependencies.feature/feature.xml b/utils/umc_dev/org.wesnoth.dependencies.feature/feature.xml
index bb06de5fb1c..6a4f89fa5c6 100644
--- a/utils/umc_dev/org.wesnoth.dependencies.feature/feature.xml
+++ b/utils/umc_dev/org.wesnoth.dependencies.feature/feature.xml
@@ -159,7 +159,8 @@
          id="org.eclipse.jdt.debug"
          download-size="0"
          install-size="0"
-         version="0.0.0"/>
+         version="0.0.0"
+         unpack="false"/>
 
    <plugin
          id="org.eclipse.jdt.debug.ui"