diff --git a/pkgs/development/libraries/cmark-gfm/default.nix b/pkgs/development/libraries/cmark-gfm/default.nix
index b25688acfa15..7641b6043ef8 100644
--- a/pkgs/development/libraries/cmark-gfm/default.nix
+++ b/pkgs/development/libraries/cmark-gfm/default.nix
@@ -14,6 +14,12 @@ stdenv.mkDerivation rec {
   # tests load the library dynamically which for unknown reason failed
   doCheck = false;
 
+  # remove when https://github.com/github/cmark-gfm/pull/248 merged and released
+  postInstall = ''
+    substituteInPlace $out/include/cmark-gfm-core-extensions.h \
+    --replace '#include "config.h"' '#include <stdbool.h>'
+  '';
+
   meta = with lib; {
     description = "GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C";
     homepage = "https://github.com/github/cmark-gfm";