diff --git a/execution/chain/chain_config.go b/execution/chain/chain_config.go
index 1f8752b5079..ee78821d2d9 100644
--- a/execution/chain/chain_config.go
+++ b/execution/chain/chain_config.go
@@ -643,7 +643,7 @@ func numEqual(x, y *big.Int) bool {
 		return y == nil
 	}
 	if y == nil {
-		return x == nil
+		return false
 	}
 	return x.Cmp(y) == 0
 }