diff --git a/tools/upload.py b/tools/upload.py
index 29819e537..aee6add8f 100755
--- a/tools/upload.py
+++ b/tools/upload.py
@@ -70,5 +70,5 @@ except esptool.FatalError as e:
 finally:
     if erase_file:
         os.remove(erase_file)
-    if sys.exc_info:
+    if any(sys.exc_info()):
         sys.exit(2)