diff --git a/PatrowlEnginesUtils/PatrowlEngine.py b/PatrowlEnginesUtils/PatrowlEngine.py
index 12e76a9..4ba63cb 100644
--- a/PatrowlEnginesUtils/PatrowlEngine.py
+++ b/PatrowlEnginesUtils/PatrowlEngine.py
@@ -268,7 +268,7 @@ def _engine_is_busy(self):
             # TODO rewrite function later
             if self.scans[scan_id]["status"] in ["SCANNING", "STARTED"]:
                 scans_count += 1
-            if scans_count >= APP_MAXSCANS:
+            if scans_count >= self.max_scans:
                 return True
         return False
 
diff --git a/PatrowlEnginesUtils/__init__.py b/PatrowlEnginesUtils/__init__.py
index 128f993..e2688b6 100644
--- a/PatrowlEnginesUtils/__init__.py
+++ b/PatrowlEnginesUtils/__init__.py
@@ -3,7 +3,7 @@
 
 
 __title__ = 'patrowl_engine_utils'
-__version__ = '1.2.0'
+__version__ = '1.2.1'
 __author__ = 'Nicolas MATTIOCCO'
 __license__ = 'AGPLv3'
 __copyright__ = 'Copyright (C) 2018-2021 Nicolas Mattiocco - @MaKyOtOx'
diff --git a/VERSION b/VERSION
index 26aaba0..6085e94 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.2.0
+1.2.1
diff --git a/setup.py b/setup.py
index a398ec5..37afd76 100644
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,7 @@
 
 setup(
     name='PatrowlEnginesUtils',
-    version='1.2.0',
+    version='1.2.1',
     description='Common classes for PatrowlEngines',
     url='https://github.com/Patrowl/PatrowlEnginesUtils',
     author='Nicolas Mattiocco',