diff --git a/pkgs/development/compilers/gnu-smalltalk/default.nix b/pkgs/development/compilers/gnu-smalltalk/default.nix
index 1caf96c715cb..de54a49c7fd1 100644
--- a/pkgs/development/compilers/gnu-smalltalk/default.nix
+++ b/pkgs/development/compilers/gnu-smalltalk/default.nix
@@ -25,6 +25,8 @@ in stdenv.mkDerivation rec {
     sha256 = "1k2ssrapfzhngc7bg1zrnd9n2vyxp9c9m70byvsma6wapbvib6l1";
   };
 
+  patches = [ ./fix_mkorder.patch ];
+
   # The dependencies and their justification are explained at
   # http://smalltalk.gnu.org/download
   nativeBuildInputs = [ pkg-config ];
diff --git a/pkgs/development/compilers/gnu-smalltalk/fix_mkorder.patch b/pkgs/development/compilers/gnu-smalltalk/fix_mkorder.patch
new file mode 100644
index 000000000000..7b6fae2d5f03
--- /dev/null
+++ b/pkgs/development/compilers/gnu-smalltalk/fix_mkorder.patch
@@ -0,0 +1,21 @@
+--- a/packages/gtk/mkorder.awk
++++ b/packages/gtk/mkorder.awk
+@@ -33,6 +33,9 @@
+     paths[1] = "."
+     n_paths = 1
+     n_prefixes = split(_prefixes, prefixes)
++
++	ignored_files = [ "glib/gwin32.h" ]
++
+     split(_libs, libs)
+     split(_files, files)
+     for (i = 1; (i in libs); i++)
+@@ -60,7 +63,7 @@
+
+ function process_file(name, file) {
+     file = find_file(name)
+-    if (file in processed)
++    if ((name in ignored_files) or (file in processed))
+ 	return
+     processed[file] = 1
+     if (file == "")