diff --git a/types/params.go b/types/params.go
index 6caffc917..ef14db605 100644
--- a/types/params.go
+++ b/types/params.go
@@ -108,7 +108,7 @@ func (v VoteParams) RequireExtensions(h int64) bool {
 	if v.ExtensionRequireHeight == 0 {
 		return false
 	}
-	return h <= v.ExtensionRequireHeight
+	return v.ExtensionRequireHeight <= h
 }
 
 // DefaultConsensusParams returns a default ConsensusParams.