diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index 8c3cb1f..5095b06 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -434,6 +434,7 @@
 
 #define VERSION_INVAL -1
 
+#define VERSION_CURRENT VERSION_WIN8
 
 /* Make maximum size of pipe payload of 16K */
 #define MAX_PIPE_DATA_PAYLOAD		(sizeof(u8) * 16384)