diff --git a/Climate/bosch_bth-ra_control.yaml b/Climate/bosch_bth-ra_control.yaml
index 6fb36a0..4766a96 100644
--- a/Climate/bosch_bth-ra_control.yaml
+++ b/Climate/bosch_bth-ra_control.yaml
@@ -67,7 +67,7 @@ triggers:
     for: !input window_delay_close
     id: FENSTER_CLOSED
   - platform: time_pattern
-    minutes: '29'
+    minutes: '/29'
     id: SYNC_TEMPERATURE
 
 variables: