diff --git a/winsup/w32api/ChangeLog b/winsup/w32api/ChangeLog
index c966302e8..5b4abb37f 100644
--- a/winsup/w32api/ChangeLog
+++ b/winsup/w32api/ChangeLog
@@ -1,3 +1,8 @@
+2006-04-13	Chris Sutcliffe	<ir0nh34d@users.sourceforge.net>
+
+	* include/winbase.h (GET_MODULE_HANDLE_EX_FLAG_*): Define.
+	Thanks to:	Brandon Sneed <brandon at redf dot net>
+
 2006-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
 
 	* include/secext.h: Enclose function declarations in extern "C"
diff --git a/winsup/w32api/include/winbase.h b/winsup/w32api/include/winbase.h
index 6230a9b88..707dbfd17 100644
--- a/winsup/w32api/include/winbase.h
+++ b/winsup/w32api/include/winbase.h
@@ -541,6 +541,9 @@ extern "C" {
 #define SECURITY_VALID_SQOS_FLAGS 0x1F0000
 #define INVALID_FILE_SIZE 0xFFFFFFFF
 #define TLS_OUT_OF_INDEXES (DWORD)0xFFFFFFFF
+#define GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS 0x00000004
+#define GET_MODULE_HANDLE_EX_FLAG_PIN 0x00000001
+#define GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT 0x00000002
 #if (_WIN32_WINNT >= 0x0501)
 #define ACTCTX_FLAG_PROCESSOR_ARCHITECTURE_VALID 0x00000001
 #define ACTCTX_FLAG_LANGID_VALID 0x00000002