diff --git a/Flow.Launcher.Infrastructure/Alphabet.cs b/Flow.Launcher.Infrastructure/Alphabet.cs
index 1ea075337..1d0ed93de 100644
--- a/Flow.Launcher.Infrastructure/Alphabet.cs
+++ b/Flow.Launcher.Infrastructure/Alphabet.cs
@@ -32,7 +32,7 @@ namespace Flow.Launcher.Infrastructure
         {
             if (_settings.ShouldUsePinyin)
             {
-                if (_pinyinCache.ContainsKey(content))
+                if (!_pinyinCache.ContainsKey(content))
                 {
                     if (WordsHelper.HasChinese(content))
                     {