diff --git a/pkgs/applications/misc/twmn/default.nix b/pkgs/applications/misc/twmn/default.nix
index bb3f359ab8ff..fbbf45877d23 100644
--- a/pkgs/applications/misc/twmn/default.nix
+++ b/pkgs/applications/misc/twmn/default.nix
@@ -12,8 +12,10 @@ stdenv.mkDerivation rec {
   buildInputs = [ qtbase qtx11extras pkgconfig boost ];
 
   configurePhase = ''
+    runHook preConfigure
     sed -i s/-Werror// twmnd/twmnd.pro
     qmake
+    runHook postConfigure
   '';
 
   installPhase = ''