diff --git a/pkgs/tools/misc/plowshare/default.nix b/pkgs/tools/misc/plowshare/default.nix
index 83f7c62c4267..e3463c6a1d40 100644
--- a/pkgs/tools/misc/plowshare/default.nix
+++ b/pkgs/tools/misc/plowshare/default.nix
@@ -21,7 +21,7 @@ in stdenv.mkDerivation {
     make PREFIX="$out" install
 
     for fn in plow{del,down,list,up}; do
-      wrapProgram "$out/bin/$fn" --prefix PATH : ${curl}/bin
+      wrapProgram "$out/bin/$fn" --prefix PATH : "${curl}/bin"
     done
   '';