diff --git a/Plugins/Flow.Launcher.Plugin.ProcessKiller/ProcessHelper.cs b/Plugins/Flow.Launcher.Plugin.ProcessKiller/ProcessHelper.cs
index d8e5f4fb7..6df12fae9 100644
--- a/Plugins/Flow.Launcher.Plugin.ProcessKiller/ProcessHelper.cs
+++ b/Plugins/Flow.Launcher.Plugin.ProcessKiller/ProcessHelper.cs
@@ -105,9 +105,11 @@ namespace Flow.Launcher.Plugin.ProcessKiller
                     {
                         return string.Empty;
                     }
-                }
 
-                return new string(buffer, 0, (int)capacity);
+                    int validLength = Array.IndexOf(buffer, '\0');
+                    if (validLength < 0) validLength = (int)capacity;
+                    return new string(buffer, 0, validLength);
+                }
             }
             catch
             {