diff --git a/src/Processors/Transforms/AggregatingInOrderTransform.h b/src/Processors/Transforms/AggregatingInOrderTransform.h
index 543bb52524c..10793e885ce 100644
--- a/src/Processors/Transforms/AggregatingInOrderTransform.h
+++ b/src/Processors/Transforms/AggregatingInOrderTransform.h
@@ -60,7 +60,7 @@ private:
     Chunk current_chunk;
     Chunk to_push_chunk;
 
-    Logger * log = &Logger::get("AggregatingInOrderTransform");
+    Poco::Logger * log = &Poco::Logger::get("AggregatingInOrderTransform");
 };