diff --git a/client/broadcast.go b/client/broadcast.go
index 0f90be17987..bc5f65d8f2e 100644
--- a/client/broadcast.go
+++ b/client/broadcast.go
@@ -78,7 +78,7 @@ func CheckCometError(err error, tx cmttypes.Tx) *sdk.TxResponse {
 			TxHash:    txHash,
 		}
 
-	case strings.Contains(errStr, "mempool tx max capacity"):
+	case strings.Contains(errStr, "mempool rate limit exceeded"):
 		return &sdk.TxResponse{
 			Code:      sdkerrors.ErrMempoolRateLimitExceeded.ABCICode(),
 			Codespace: sdkerrors.ErrMempoolRateLimitExceeded.Codespace(),