diff --git a/common/port.h b/common/port.h
index 62240040..a21f26b5 100644
--- a/common/port.h
+++ b/common/port.h
@@ -162,7 +162,7 @@ GNU General Public License for more details.
 #define USHRT_MAX 65535
 #endif
 
-#ifdef XASH_SDL
+#if defined XASH_SDL && !defined REF_DLL
 #include <SDL.h>
 #endif
 
diff --git a/common/xash3d_types.h b/common/xash3d_types.h
index 214c97c7..e1e76e23 100644
--- a/common/xash3d_types.h
+++ b/common/xash3d_types.h
@@ -31,7 +31,7 @@ typedef int qboolean;
 
 #if _MSC_VER == 1200
 typedef __int64 integer64; //msvc6
-#elif defined (XASH_SDL)
+#elif defined (XASH_SDL) && !defined(REF_DLL)
 typedef Uint64 integer64;
 #else
 typedef unsigned long long integer64;