1 files changed, 1 insertions, 1 deletions
diff --git a/week10/Exercise07/String.h b/week10/Exercise07/String.h
index 3ea986a..c622f5b 100644
--- a/week10/Exercise07/String.h
+++ b/week10/Exercise07/String.h
@@ -12,7 +12,7 @@ public:
 	String(const char* str);
 
 	String();
-	~String();
+	virtual ~String();
 	String(const String& other);
 	String& operator=(const String& other);
 	String(String&& other);