diff --git a/pkgs/applications/window-managers/tinywm/default.nix b/pkgs/applications/window-managers/tinywm/default.nix
index 8fa6a84b721d..50fbae605da2 100644
--- a/pkgs/applications/window-managers/tinywm/default.nix
+++ b/pkgs/applications/window-managers/tinywm/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   dontConfigure = true;
 
   buildPhase = ''
-    ${stdenv.cc}/bin/cc -Wall -pedantic -I${libX11}/include tinywm.c -L${libX11}/lib -lX11 -o tinywm
+    $CC -Wall -pedantic -I${libX11}/include tinywm.c -L${libX11}/lib -lX11 -o tinywm
   '';
 
   installPhase = ''