diff --git a/src/Interpreters/ExpressionAnalyzer.cpp b/src/Interpreters/ExpressionAnalyzer.cpp
index 2f0dee58141..aab980bddc7 100644
--- a/src/Interpreters/ExpressionAnalyzer.cpp
+++ b/src/Interpreters/ExpressionAnalyzer.cpp
@@ -421,11 +421,17 @@ bool ExpressionAnalyzer::makeAggregateDescriptions(ActionsDAGPtr & actions)
         aggregate.argument_names.resize(arguments.size());
         DataTypes types(arguments.size());
 
+        const auto & index = actions->getIndex();
         for (size_t i = 0; i < arguments.size(); ++i)
         {
             getRootActionsNoMakeSet(arguments[i], true, actions);
             const std::string & name = arguments[i]->getColumnName();
-            types[i] = actions->getIndex().find(name)->second->result_type;
+
+            auto it = index.find(name);
+            if (it == index.end())
+                throw Exception(ErrorCodes::UNKNOWN_IDENTIFIER, "Unknown identifier (in aggregate function '{}'): {}", node->name, name);
+
+            types[i] = it->second->result_type;
             aggregate.argument_names[i] = name;
         }
 
diff --git a/tests/queries/0_stateless/01527_bad_aggregation_in_lambda.reference b/tests/queries/0_stateless/01527_bad_aggregation_in_lambda.reference
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/queries/0_stateless/01527_bad_aggregation_in_lambda.sql b/tests/queries/0_stateless/01527_bad_aggregation_in_lambda.sql
new file mode 100644
index 00000000000..10ffca22bd1
--- /dev/null
+++ b/tests/queries/0_stateless/01527_bad_aggregation_in_lambda.sql
@@ -0,0 +1 @@
+SELECT arrayMap(x -> x * sum(x), range(10)); -- { serverError 47 }