diff --git a/src/bt_call_controller.py b/src/bt_call_controller.py
index b9c9938..3b5cddb 100644
--- a/src/bt_call_controller.py
+++ b/src/bt_call_controller.py
@@ -99,10 +99,10 @@ def answer_call(play_file: str):
     utils.log('Waiting for incoming call...')
 
     # Wait for incoming call
-    while not CALL_ADDED.value and not INTERRUPT_SIGNAL.value():
+    while not CALL_ADDED.value and not INTERRUPT_SIGNAL.value:
         time.sleep(0.01)
 
-    if INTERRUPT_SIGNAL.value():
+    if INTERRUPT_SIGNAL.value:
         utils.log(f'Interrupt signal detected, exiting.')
         return