diff --git a/pkgs/by-name/so/souffle/package.nix b/pkgs/by-name/so/souffle/package.nix
index 23b1935b68a0..df5acb20c7b7 100644
--- a/pkgs/by-name/so/souffle/package.nix
+++ b/pkgs/by-name/so/souffle/package.nix
@@ -90,7 +90,7 @@ stdenv.mkDerivation (finalAttrs: {
   postFixup = ''
     substituteInPlace "$out/bin/souffle-compile.py" \
         --replace-fail "-IPLACEHOLDER_FOR_INCLUDES_THAT_ARE_SET_BY_NIXPKGS" \
-                  "-I${ncurses.dev}/include -I${zlib.dev}/include -I${sqlite.dev}/include -I${libffi.dev}/include -I$out/include"
+                  "-I${lib.getDev ncurses}/include -I${lib.getDev zlib}/include -I${lib.getDev sqlite}/include -I${lib.getDev libffi}/include -I$out/include"
   '';
 
   outputs = [ "out" ];