diff --git a/reader.py b/reader.py
index 2cc94ba..821238b 100644
--- a/reader.py
+++ b/reader.py
@@ -40,20 +40,20 @@ class Reader:
                             raise Exception(f"Could not get machine {self.machine_urn}. Machine does not exist or insufficient permissions")
 
                         if ma.state == "inUse":
-                            if ma.inuse == None:
+                            try:
+                                await ma.inuse.giveBack().a_wait()
+                            except:
                                 await client.publish(f"fabreader/{self.reader_id}/display/info", payload="Wrong User", qos=1, retain=False)
                                 await asyncio.sleep(2)
                                 await client.publish(f"fabreader/{self.reader_id}/display/info", payload="", qos=1, retain=False)
-                            else:
-                                await ma.inuse.giveBack().a_wait()
                         else:
-                            if ma.use == None:
+                            try:
+                                await ma.use.use().a_wait()
+                            except:
                                 await client.publish(f"fabreader/{self.reader_id}/display/info", payload="No Authorization", qos=1, retain=False)
                                 await asyncio.sleep(2)
                                 await client.publish(f"fabreader/{self.reader_id}/display/info", payload="", qos=1, retain=False)
-                            else:
-                                await ma.use.use().a_wait()
-                        
+
                         await client.publish(f"fabreader/{self.reader_id}/stopOTA", payload="", qos=2, retain=False)
 
                         self.session = None