diff --git a/AK/FlyString.h b/AK/FlyString.h
index 933af662a59..71631024f1c 100644
--- a/AK/FlyString.h
+++ b/AK/FlyString.h
@@ -21,7 +21,7 @@ public:
     ~FlyString();
 
     static ErrorOr<FlyString> from_utf8(StringView);
-    explicit FlyString(String const&);
+    FlyString(String const&);
     FlyString& operator=(String const&);
 
     FlyString(FlyString const&);