diff --git a/testutil/sims/tx_helpers.go b/testutil/sims/tx_helpers.go
index c2234276073..d017af078df 100644
--- a/testutil/sims/tx_helpers.go
+++ b/testutil/sims/tx_helpers.go
@@ -70,10 +70,10 @@ func GenSignedMockTx(r *rand.Rand, txConfig client.TxConfig, msgs []sdk.Msg, fee
 			panic(err)
 		}
 		sigs[i].Data.(*signing.SingleSignatureData).Signature = sig
-		err = tx.SetSignatures(sigs...)
-		if err != nil {
-			panic(err)
-		}
+	}
+	err = tx.SetSignatures(sigs...)
+	if err != nil {
+		panic(err)
 	}
 
 	return tx.GetTx(), nil