diff --git a/sc2/src/sc2code/netplay/packet.h b/sc2/src/sc2code/netplay/packet.h
index bf025f23f..279a2f461 100644
--- a/sc2/src/sc2code/netplay/packet.h
+++ b/sc2/src/sc2code/netplay/packet.h
@@ -49,6 +49,7 @@ typedef enum PacketType {
 typedef enum NetplayAbortReason {
 	AbortReason_unspecified,
 	AbortReason_versionMismatch,
+	AbortReason_invalidHash,
 	AbortReason_protocolError,
 			// Network is in an inconsistent state.
 } NetplayAbortReason;