diff --git a/engine/account_test.go b/engine/account_test.go
index 7abd8d6c1..8a7c56bac 100644
--- a/engine/account_test.go
+++ b/engine/account_test.go
@@ -160,7 +160,7 @@ func TestAccountStorageStore(t *testing.T) {
 		!(rifsBalance.BalanceMap[utils.VOICE][0].Equal(result.BalanceMap[utils.VOICE][0])) ||
 		!(rifsBalance.BalanceMap[utils.VOICE][1].Equal(result.BalanceMap[utils.VOICE][1])) ||
 		!rifsBalance.BalanceMap[utils.MONETARY].Equal(result.BalanceMap[utils.MONETARY]) {
-		t.Errorf("Expected %v was %v", rifsBalance, result)
+		t.Errorf("Expected %s was %s", utils.ToIJSON(rifsBalance), utils.ToIJSON(result))
 	}
 }