diff --git a/src/Functions/FunctionFile.cpp b/src/Functions/FunctionFile.cpp
index 8c29a9a39df..2a524adde47 100644
--- a/src/Functions/FunctionFile.cpp
+++ b/src/Functions/FunctionFile.cpp
@@ -47,8 +47,7 @@ public:
 
     bool useDefaultImplementationForConstants() const override { return true; }
     //ColumnNumbers getArgumentsThatAreAlwaysConstant() const override { return {1}; }
-
-    ColumnPtr executeImpl(ColumnsWithTypeAndName & arguments, const DataTypePtr &, size_t /*input_rows_count*/) const override
+    ColumnPtr executeImpl(const ColumnsWithTypeAndName & arguments, const DataTypePtr &, size_t /*input_rows_count*/) const override
     {
         const auto & column = arguments[0].column;
         const char * filename = nullptr;