diff --git a/pkgs/applications/misc/jgmenu/default.nix b/pkgs/applications/misc/jgmenu/default.nix
index 9db589b5215d..8588a05b1229 100644
--- a/pkgs/applications/misc/jgmenu/default.nix
+++ b/pkgs/applications/misc/jgmenu/default.nix
@@ -37,10 +37,6 @@ stdenv.mkDerivation rec {
     python3Packages.python
   ];
 
-  makeFlags = [
-    "prefix=${placeholder "out"}"
-  ];
-
   postFixup = ''
     wrapPythonProgramsIn "$out/lib/jgmenu"
     for f in $out/bin/jgmenu{,_run}; do