diff --git a/portprotonqt/dialogs.py b/portprotonqt/dialogs.py
index 87d66d7..1a652ec 100644
--- a/portprotonqt/dialogs.py
+++ b/portprotonqt/dialogs.py
@@ -677,7 +677,10 @@ class AddGameDialog(QDialog):
         exe_path = self.exeEdit.text().strip()
         name = self.nameEdit.text().strip()
 
-        if not exe_path or not name:
+        if not exe_path or not os.path.isfile(exe_path):
+            return None, None
+
+        if not name:
             return None, None
 
         portproton_path = get_portproton_location()