diff --git a/src/AggregateFunctions/AggregateFunctionDeltaSum.cpp b/src/AggregateFunctions/AggregateFunctionDeltaSum.cpp
index 239c5bf6535..aeb2549e826 100644
--- a/src/AggregateFunctions/AggregateFunctionDeltaSum.cpp
+++ b/src/AggregateFunctions/AggregateFunctionDeltaSum.cpp
@@ -11,6 +11,7 @@ namespace DB
 namespace ErrorCodes
 {
     extern const int NUMBER_OF_ARGUMENTS_DOESNT_MATCH;
+    extern const int ILLEGAL_TYPE_OF_ARGUMENT;
 }
 
 namespace
@@ -27,6 +28,12 @@ AggregateFunctionPtr createAggregateFunctionDeltaSum(
         throw Exception("Incorrect number of arguments for aggregate function " + name,
             ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH);
 
+    DataTypePtr data_type = arguments[0];
+
+    if (!isNumber(data_type))
+        throw Exception("Illegal type " + arguments[0]->getName() + " of argument for aggregate function " + name,
+                        ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
+
     return AggregateFunctionPtr(createWithNumericType<AggregationFunctionDeltaSum>(*arguments[0], arguments, params));
 }