diff --git a/fir_ser/api/utils/app/supersignutils.py b/fir_ser/api/utils/app/supersignutils.py
index ecd1d74..bd3b64b 100644
--- a/fir_ser/api/utils/app/supersignutils.py
+++ b/fir_ser/api/utils/app/supersignutils.py
@@ -40,7 +40,7 @@ def check_app_sign_limit(app_obj):
     if limit_num <= 0:
         flag = True
     else:
-        flag = used_num <= limit_num
+        flag = used_num < limit_num
     return flag, used_num