diff --git a/patterns.go b/patterns.go
index d1a5a59..094cf38 100644
--- a/patterns.go
+++ b/patterns.go
@@ -100,8 +100,8 @@ var HandshakeXX = HandshakePattern{
 
 var HandshakeXXfallback = HandshakePattern{
 	Name: "XXfallback",
+	ResponderPreMessages: []MessagePattern{MessagePatternE},
 	Messages: [][]MessagePattern{
-		{MessagePatternE},
 		{MessagePatternE, MessagePatternDHEE, MessagePatternS, MessagePatternDHSE},
 		{MessagePatternS, MessagePatternDHES},
 	},