diff --git a/Source/Plugins/Plugin_VideoOGL/Src/StreamBuffer.cpp b/Source/Plugins/Plugin_VideoOGL/Src/StreamBuffer.cpp
index 869ce56c1c..c97e90fba9 100644
--- a/Source/Plugins/Plugin_VideoOGL/Src/StreamBuffer.cpp
+++ b/Source/Plugins/Plugin_VideoOGL/Src/StreamBuffer.cpp
@@ -20,6 +20,10 @@
 #include "GLUtil.h"
 #include "StreamBuffer.h"
 
+#ifndef EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD
+#define EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD              0x9160
+#endif
+
 namespace OGL
 {