diff --git a/dbms/src/Functions/IFunction.cpp b/dbms/src/Functions/IFunction.cpp
index ab11a89d6b8..c074b3ee73d 100644
--- a/dbms/src/Functions/IFunction.cpp
+++ b/dbms/src/Functions/IFunction.cpp
@@ -83,9 +83,9 @@ MutableColumnPtr wrapInNullable(MutableColumnPtr && src, Block & block, const Co
         return makeNullable(std::move(src_not_nullable));
 
     if (src_not_nullable->isColumnConst())
-        return ColumnNullable::create(src_not_nullable->convertToFullColumnIfConst(), result_null_map_column);
+        return ColumnNullable::create(src_not_nullable->convertToFullColumnIfConst(), std::move(result_null_map_column));
     else
-        return ColumnNullable::create(src_not_nullable, result_null_map_column);
+        return ColumnNullable::create(src_not_nullable, std::move(result_null_map_column));
 }
 
 
diff --git a/dbms/src/Storages/StorageBuffer.cpp b/dbms/src/Storages/StorageBuffer.cpp
index 5c59ffa7c40..5769e5708cc 100644
--- a/dbms/src/Storages/StorageBuffer.cpp
+++ b/dbms/src/Storages/StorageBuffer.cpp
@@ -164,7 +164,7 @@ static void appendBlock(const Block & from, Block & to)
         for (size_t column_no = 0, columns = to.columns(); column_no < columns; ++column_no)
         {
             const IColumn & col_from = *from.getByPosition(column_no).column.get();
-            MutableColumnPtr col_to = to.getByPosition(column_no).column->mutate();
+            MutableColumnPtr col_to = (*std::move(to.getByPosition(column_no).column)).mutate();
 
             col_to->insertRangeFrom(col_from, 0, rows);