diff --git a/Flow.Launcher.Infrastructure/Alphabet.cs b/Flow.Launcher.Infrastructure/Alphabet.cs
index 1d0ed93de..1b87dff73 100644
--- a/Flow.Launcher.Infrastructure/Alphabet.cs
+++ b/Flow.Launcher.Infrastructure/Alphabet.cs
@@ -47,7 +47,7 @@ namespace Flow.Launcher.Infrastructure
                     }
                 }
                 else
-                    return _pinyinCache[content];
+                    return (_pinyinCache[content]);
             }
             else
             {