diff --git a/UnityLauncher/Form1.cs b/UnityLauncher/Form1.cs
index 9ce950e..a4c34f3 100644
--- a/UnityLauncher/Form1.cs
+++ b/UnityLauncher/Form1.cs
@@ -73,6 +73,12 @@ void Start()
                     // path
                     var projectPathArgument = args[2];
 
+                    // resolve full path if path parameter isn't a rooted path
+                    if (!Path.IsPathRooted(projectPathArgument))
+                    {
+                        projectPathArgument = Directory.GetCurrentDirectory() + projectPathArgument;
+                    }
+
                     var version = Tools.GetProjectVersion(projectPathArgument);
 
                     // take extra arguments also