diff --git a/pkgs/development/compilers/urweb/default.nix b/pkgs/development/compilers/urweb/default.nix
index 9a922e8e86f..449e5ccdb47 100644
--- a/pkgs/development/compilers/urweb/default.nix
+++ b/pkgs/development/compilers/urweb/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   preConfigure =
     ''
-      export GCCARGS="-I${mysql}/include -I${postgresql}/include -I${sqlite}/include -L${libmhash}/lib -L${mysql}/lib -L${postgresql}/lib -L${sqlite}/lib"
+      export GCCARGS="-I${mysql}/include/mysql -I${postgresql}/include -I${sqlite}/include -L${libmhash}/lib -L${mysql}/lib/mysql -L${postgresql}/lib -L${sqlite}/lib"
     '';
 
   meta = {