diff --git a/pkgs/tools/package-management/nix-prefetch-scripts/default.nix b/pkgs/tools/package-management/nix-prefetch-scripts/default.nix
index f37940c65c1e..291b1a7c6002 100644
--- a/pkgs/tools/package-management/nix-prefetch-scripts/default.nix
+++ b/pkgs/tools/package-management/nix-prefetch-scripts/default.nix
@@ -19,7 +19,7 @@ let mkPrefetchScript = tool: src: deps:
       done
       wrapArgs="$wrapArgs --prefix PATH : ${gnused}/bin"
       wrapArgs="$wrapArgs --prefix PATH : ${nix.out}/bin" # For nix-hash
-      wrapArgs="$wrapArgs --set HOME : /homeless-shelter"
+      wrapArgs="$wrapArgs --set HOME /homeless-shelter"
       wrapProgram $out/bin/$name $wrapArgs
     '';