diff --git a/main.py b/main.py
index f3744c8..2df2789 100644
--- a/main.py
+++ b/main.py
@@ -88,10 +88,10 @@ def mqtt_on_message(client, userdata, msg):
     topic = str(msg.topic)
     payload = str(msg.payload.decode("utf-8"))
 
-    channel_1 = 4
-    channel_2 = 17
-    channel_3 = 27
-    channel_4 = 11
+    channel_1 = 19
+    channel_2 = 16
+    channel_3 = 26
+    channel_4 = 20
 
     if topic == "strawberry-pi-greenhouse/relay/channel/1":
         if payload == "on":