diff --git a/src/AggregateFunctions/AggregateFunctionTTest.h b/src/AggregateFunctions/AggregateFunctionTTest.h
index ccd81b6aba7..440fa465a80 100644
--- a/src/AggregateFunctions/AggregateFunctionTTest.h
+++ b/src/AggregateFunctions/AggregateFunctionTTest.h
@@ -98,12 +98,12 @@ public:
 
             if (!std::isfinite(confidence_level))
             {
-                throw Exception("Aggregate function " + getName() + " requires finite parameter values.", ErrorCodes::BAD_ARGUMENTS);
+                throw Exception(ErrorCodes::BAD_ARGUMENTS, "Aggregate function {} requires finite parameter values.", Data::name);
             }
 
             if (confidence_level <= 0.0f || confidence_level >= 1.0f)
             {
-                throw Exception("Confidence level parameter must be between 0 and 1 in aggregate function " + getName(), ErrorCodes::BAD_ARGUMENTS);
+                throw Exception(ErrorCodes::BAD_ARGUMENTS, "Confidence level parameter must be between 0 and 1 in aggregate function {}.", Data::name);
             }
 
         }