diff --git a/pkgs/tools/system/dog/default.nix b/pkgs/tools/system/dog/default.nix
index c0b3db95ab4e..6d15f5bbd52b 100644
--- a/pkgs/tools/system/dog/default.nix
+++ b/pkgs/tools/system/dog/default.nix
@@ -9,16 +9,18 @@ stdenv.mkDerivation rec {
     sha256 = "3ef25907ec5d1dfb0df94c9388c020b593fbe162d7aaa9bd08f35d2a125af056";
   };
 
-  patchPhase = ''
+  postPatch = ''
     substituteInPlace Makefile \
-      --replace "gcc" "cc"
+      --replace "gcc" "$CC"
   '';
 
   installPhase = ''
+    runHook preInstall
     mkdir -p $out/bin
     mkdir -p $out/man/man1
     cp dog.1 $out/man/man1
     cp dog $out/bin
+    runHook postInstall
   '';
 
   meta = with lib; {