diff --git a/modem/arq_session_irs.py b/modem/arq_session_irs.py
index 4a2cfe3e..99ff6dcd 100644
--- a/modem/arq_session_irs.py
+++ b/modem/arq_session_irs.py
@@ -56,15 +56,13 @@ class ARQSessionIRS(arq_session.ARQSession):
                 self.log("Timeout waiting for data")
                 self.state = self.STATE_FAILED
                 return
-            else:
-                print("data received")
-                print(self.frame)
-            
+
         self.log("Finished ARQ IRS session")
 
     def run(self):
         self.thread = threading.Thread(target=self.runner, name=f"ARQ IRS Session {self.id}", daemon=True)
-        self.thread.run()
+        self.thread.start()
+
 
     def on_data_received(self, data_frame):
         if self.state != self.STATE_WAITING_DATA:
diff --git a/modem/frame_handler_arq_session.py b/modem/frame_handler_arq_session.py
index df5e41d7..d6a37eec 100644
--- a/modem/frame_handler_arq_session.py
+++ b/modem/frame_handler_arq_session.py
@@ -24,7 +24,6 @@ class ARQFrameHandler(frame_handler.FrameHandler):
             iss_session:ARQSessionISS = self.states.get_arq_iss_session(frame['session_id'])
             iss_session.on_connection_ack_received(frame)
 
-
         # ARQ session data frame received
         if frame['frame_type_int'] in [FR.BURST_01.value, FR.BURST_02.value, FR.BURST_03.value, FR.BURST_04.value, FR.BURST_05.value]:
             print("received data frame....")