diff --git a/Flow.Launcher.Plugin/Interfaces/IPublicAPI.cs b/Flow.Launcher.Plugin/Interfaces/IPublicAPI.cs
index 7b0e1dc8c..a413fe98e 100644
--- a/Flow.Launcher.Plugin/Interfaces/IPublicAPI.cs
+++ b/Flow.Launcher.Plugin/Interfaces/IPublicAPI.cs
@@ -591,6 +591,6 @@ namespace Flow.Launcher.Plugin
         /// <param name="workingDirectory">Working directory. If not specified, the current directory will be used</param>
         /// <param name="arguments">Optional arguments to pass to the process. If not specified, no arguments will be passed</param>
         /// <param name="runAsAdmin">Whether to run the process as administrator</param>
-        public void StartProcess(string filePath, string workingDirectory, string arguments = "", bool runAsAdmin = false);
+        public void StartProcess(string filePath, string workingDirectory = "", string arguments = "", bool runAsAdmin = false);
     }
 }
diff --git a/Flow.Launcher/PublicAPIInstance.cs b/Flow.Launcher/PublicAPIInstance.cs
index 2f29e098e..e76ea1a5a 100644
--- a/Flow.Launcher/PublicAPIInstance.cs
+++ b/Flow.Launcher/PublicAPIInstance.cs
@@ -577,7 +577,7 @@ namespace Flow.Launcher
         public Task<long> StopwatchLogInfoAsync(string className, string message, Func<Task> action, [CallerMemberName] string methodName = "") =>
             Stopwatch.InfoAsync(className, message, action, methodName);
 
-        public void StartProcess(string filePath, string workingDirectory, string arguments = "", bool runAsAdmin = false)
+        public void StartProcess(string filePath, string workingDirectory = "", string arguments = "", bool runAsAdmin = false)
         {
             try
             {