diff --git a/main.py b/main.py
index 7d073cc..d5e32f4 100644
--- a/main.py
+++ b/main.py
@@ -27,7 +27,7 @@ def menu_file_open_project_click():
         title="Open font project",
         filetypes=[("Font project (json)", "*.fontproj")]
     )
-    if file_path == "":
+    if file_path == "" or file_path==():
         return
 
     # save last path to cache
@@ -58,7 +58,7 @@ def menu_file_save_project_click():
             filetypes=[("Font project (json)", "*.fontproj")],
             defaultextension=".fontproj"
         )
-        if path=="":
+        if path=="" or file_path==():
             return
 
     try: