diff --git a/packages/toolchain/devel/binutils/patches/crossmingw64-binutils-zlib.diff b/packages/toolchain/devel/binutils/patches/crossmingw64-binutils-zlib.diff
new file mode 100644
index 0000000000..74f3e90c54
--- /dev/null
+++ b/packages/toolchain/devel/binutils/patches/crossmingw64-binutils-zlib.diff
@@ -0,0 +1,11 @@
+--- binutils-2.20.51.0.11/bfd/compress.c.orig	2010-08-11 23:52:42.000000000 +0200
++++ binutils-2.20.51.0.11/bfd/compress.c	2010-09-26 11:08:50.196564435 +0200
+@@ -94,7 +94,7 @@
+   bfd_set_error (bfd_error_invalid_operation);
+   return FALSE;
+ #else
+-  bfd_size_type compressed_size;
++  uLong compressed_size;
+   bfd_byte *compressed_buffer;
+ 
+   compressed_size = compressBound (uncompressed_size) + 12;