diff --git a/templates/vector.tpp b/templates/vector.tpp
index ef64107..ff6cabb 100644
--- a/templates/vector.tpp
+++ b/templates/vector.tpp
@@ -158,7 +158,7 @@ VT_TPL void VT::
 	tmp_ptr = _allocator.allocate(new_cap);
 
 	_mem_ptr = tmp_ptr;
-	if (_mem_ptr)
+	if (old_ptr)
 	{
 		_size = 0;
 		assign(first, last);