diff --git a/AK/StringView.h b/AK/StringView.h
index bcd7af8508..ba87d2c0c1 100644
--- a/AK/StringView.h
+++ b/AK/StringView.h
@@ -50,6 +50,7 @@ public:
 
     explicit StringView(ByteBuffer&&) = delete;
     explicit StringView(String&&) = delete;
+    explicit StringView(FlyString&&) = delete;
 
     [[nodiscard]] constexpr bool is_null() const { return !m_characters; }
     [[nodiscard]] constexpr bool is_empty() const { return m_length == 0; }