diff --git a/worker.py b/worker.py
index 05187a4..1bb011f 100644
--- a/worker.py
+++ b/worker.py
@@ -18,7 +18,7 @@ init_app(app)
 
 # Initialize scheduler
 scheduler = APScheduler()
-TIMER_CHECK_INTERVAL = int(os.environ.get('TIMER_CHECK_INTERVAL_MINUTES', 1)) # Change back to 5 minutes
+TIMER_CHECK_INTERVAL_SECONDS = int(os.environ.get('TIMER_CHECK_INTERVAL_SECONDS', 10))
 
 # Runtime-specific API URLs matching app.py configuration
 NODE_API_URL = os.environ.get('NODE_API_URL', 'http://isolator.web:5000/execute')
@@ -144,7 +144,7 @@ if __name__ == '__main__':
             id='timer_check',
             func=check_and_execute_timer_functions,
             trigger='interval',
-            minutes=TIMER_CHECK_INTERVAL
+            seconds=TIMER_CHECK_INTERVAL_SECONDS
         )
         scheduler.start()