diff --git a/pkgs/development/tools/misc/xxdiff/3.2.nix b/pkgs/development/tools/misc/xxdiff/3.2.nix
index 63d718b9d9a..f4a0b8bebc4 100644
--- a/pkgs/development/tools/misc/xxdiff/3.2.nix
+++ b/pkgs/development/tools/misc/xxdiff/3.2.nix
@@ -30,7 +30,7 @@ rec {
     cd ..
   '') ["minInit" "doMake" "defEnsureDir" "addInputs"];
       
-  name = "xxdiff" + version;
+  name = "xxdiff-" + version;
   meta = {
     description = "Interactive merge tool";
   };