diff --git a/src/Processors/Formats/ISchemaReader.cpp b/src/Processors/Formats/ISchemaReader.cpp
index c7d8b87ab77..9365384f4b7 100644
--- a/src/Processors/Formats/ISchemaReader.cpp
+++ b/src/Processors/Formats/ISchemaReader.cpp
@@ -113,6 +113,11 @@ NamesAndTypesList IRowSchemaReader::readSchema()
             "Most likely setting input_format_max_rows_to_read_for_schema_inference is set to 0");
 
     DataTypes data_types = readRowAndGetDataTypes();
+
+    /// Check that we read at list one column.
+    if (data_types.empty())
+        throw Exception(ErrorCodes::EMPTY_DATA_PASSED, "Cannot read rows from the data");
+
     /// If column names weren't set, use default names 'c1', 'c2', ...
     if (column_names.empty())
     {
@@ -122,9 +127,11 @@ NamesAndTypesList IRowSchemaReader::readSchema()
     }
     /// If column names were set, check that the number of names match the number of types.
     else if (column_names.size() != data_types.size())
+    {
         throw Exception(
             ErrorCodes::INCORRECT_DATA,
             "The number of column names {} differs with the number of types {}", column_names.size(), data_types.size());
+    }
 
     for (size_t i = 0; i != column_names.size(); ++i)
     {
@@ -155,10 +162,6 @@ NamesAndTypesList IRowSchemaReader::readSchema()
         }
     }
 
-    /// Check that we read at list one column.
-    if (data_types.empty())
-        throw Exception(ErrorCodes::EMPTY_DATA_PASSED, "Cannot read rows from the data");
-
     NamesAndTypesList result;
     for (size_t i = 0; i != data_types.size(); ++i)
     {