diff --git a/mingw-w64-headers-1.0b.20100730-winsock.patch b/mingw-w64-headers-1.0b.20100730-winsock.patch
new file mode 100644
index 0000000..2f03fd1
--- /dev/null
+++ b/mingw-w64-headers-1.0b.20100730-winsock.patch
@@ -0,0 +1,12 @@
+diff -urEbwB mingw-w64-headers-1.0b.20100730/include/mswsock.h mingw-w64-headers-1.0b.20100730/include/mswsock.h
+--- mingw-w64-headers-1.0b.20100730/include/mswsock.h	2010-05-26 19:21:09.000000000 +0200
++++ mingw-w64-headers-1.0b.20100730/include/mswsock.h	2010-08-11 05:57:39.000000000 +0200
+@@ -6,6 +6,8 @@
+ #ifndef _MSWSOCK_
+ #define _MSWSOCK_
+ 
++#include <winsock2.h>
++
+ #ifdef __cplusplus
+ extern "C" {
+ #endif
diff --git a/mingw32-headers.spec b/mingw32-headers.spec
index 82759b0..8c7e490 100644
--- a/mingw32-headers.spec
+++ b/mingw32-headers.spec
@@ -11,6 +11,7 @@ URL:            http://www.mingw.org/
 
 Source0:        mingw-w64-headers-%{version}.tar.bz2
 Source1000:     %{name}-rpmlintrc
+Patch0:         mingw-w64-headers-1.0b.20100730-winsock.patch
 
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
@@ -25,6 +26,7 @@ MinGW Win64 headers.
 
 %prep
 %setup -q -n mingw-w64-headers-%{version}
+%patch0 -p1
 
 %build
 ./configure --host=%{_mingw32_target} \