diff --git a/src/main/java/hudson/plugins/git/GitAPI.java b/src/main/java/hudson/plugins/git/GitAPI.java
index 9bf3348e30..37853084b5 100644
--- a/src/main/java/hudson/plugins/git/GitAPI.java
+++ b/src/main/java/hudson/plugins/git/GitAPI.java
@@ -210,7 +210,7 @@ public String describe(String commitIsh) throws GitException {
 
     public void prune(RemoteConfig repository) throws GitException {
         ArgumentListBuilder args = new ArgumentListBuilder();
-        args.add("remote", "prune", repository.getURIs().get(0).toPrivateString());
+        args.add("remote", "prune", repository.getName());
         
         launchCommand(args);
     }