diff --git a/src/Storages/StorageMaterializedMySQL.h b/src/Storages/StorageMaterializedMySQL.h
index e6fcbc203e6..f16fa8ffa78 100644
--- a/src/Storages/StorageMaterializedMySQL.h
+++ b/src/Storages/StorageMaterializedMySQL.h
@@ -43,6 +43,10 @@ public:
 
     bool supportsTrivialCountOptimization() const override { return false; }
 
+    IndexSizeByName getSecondaryIndexSizes() const override {
+        return nested_storage->getSecondaryIndexSizes();
+    }
+
 private:
     [[noreturn]] static void throwNotAllowed()
     {