diff --git a/types/params.go b/types/params.go
index df495b94d..5d3a6b382 100644
--- a/types/params.go
+++ b/types/params.go
@@ -130,7 +130,7 @@ func DefaultSynchronyParams() SynchronyParams {
 	// https://github.com/tendermint/tendermint/issues/7202
 	return SynchronyParams{
 		Precision:    10 * time.Millisecond,
-		MessageDelay: 500 * time.Millisecond,
+		MessageDelay: 1 * time.Second,
 	}
 }