1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/applications/audio/sooperlooper/default.nix b/pkgs/applications/audio/sooperlooper/default.nix
index 8dcca85a25c40..768b40a113883 100644
--- a/pkgs/applications/audio/sooperlooper/default.nix
+++ b/pkgs/applications/audio/sooperlooper/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
       and the engine can be run standalone on a computer without a monitor.
     '';
 
-    version = "${version}";
+    version = version;
     homepage = http://essej.net/sooperlooper/index.html;
     license = stdenv.lib.licenses.gpl2;
     maintainers = [ stdenv.lib.maintainers.magnetophon ];