diff --git a/pkgs/development/libraries/kpmcore/default.nix b/pkgs/development/libraries/kpmcore/default.nix
index 1170b1ee4126..7903fc746390 100644
--- a/pkgs/development/libraries/kpmcore/default.nix
+++ b/pkgs/development/libraries/kpmcore/default.nix
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
   version = "3.3.0";
 
   src = fetchurl {
-    url = "mirror://kde/stable/${pname}/${version}/src/${name}.tar.xz";
+    url = "mirror://kde/stable/${pname}/${version}/src/${pname}-${version}.tar.xz";
     sha256 = "0s6v0jfrhjg31ri5p6h9n4w29jvasf5dj954j3vfpzl91lygmmmq";
   };