1 files changed, 2 insertions, 2 deletions
diff --git a/pkgs/applications/science/logic/picosat/default.nix b/pkgs/applications/science/logic/picosat/default.nix
index 638996e853b8..547bd31e8b42 100644
--- a/pkgs/applications/science/logic/picosat/default.nix
+++ b/pkgs/applications/science/logic/picosat/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl }:
 
 stdenv.mkDerivation rec {
-  name    = "picosat-${version}";
+  pname = "picosat";
   version = "965";
 
   src = fetchurl {
-    url = "http://fmv.jku.at/picosat/${name}.tar.gz";
+    url = "http://fmv.jku.at/picosat/${pname}-${version}.tar.gz";
     sha256 = "0m578rpa5rdn08d10kr4lbsdwp4402hpavrz6n7n53xs517rn5hm";
   };