diff --git a/pkgs/development/libraries/java/jetty-gwt/default.nix b/pkgs/development/libraries/java/jetty-gwt/default.nix
index ea1dd639052..e384e35b23f 100644
--- a/pkgs/development/libraries/java/jetty-gwt/default.nix
+++ b/pkgs/development/libraries/java/jetty-gwt/default.nix
@@ -8,6 +8,6 @@ stdenv.mkDerivation {
   };
   buildCommand = ''
     ensureDir $out/share/java
-    cp $src $out/share/java
+    cp $src $out/share/java/$name.jar
   '';
 }