diff --git a/src/controller.py b/src/controller.py
index b84a9f0..5dcc9fb 100644
--- a/src/controller.py
+++ b/src/controller.py
@@ -49,13 +49,13 @@ class Controller:
         print("msg = " +  msg)
 
         if message.topic.endswith(__TOPIC_BRIGHTNESS__ + "/set"):
-        val = float(msg)
-        if val >= 0.0 and val <=1.0:
-          self.display.brightness = val
-          print("changed brightness to ", self.display.brightness)
-          self.mqtt.publish(self.topic + "/" + __TOPIC_BRIGHTNESS__, self.display.brightness, 1 )
-        else:
-          print("invalid brightness ", val)
+          val = float(msg)
+          if val >= 0.0 and val <=1.0:
+            self.display.brightness = val
+            print("changed brightness to ", self.display.brightness)
+            self.mqtt.publish(self.topic + "/" + __TOPIC_BRIGHTNESS__, self.display.brightness, 1 )
+          else:
+            print("invalid brightness ", val)
 
         if message.topic.endswith(__TOPIC_SCROLL_INTERVAL__ + "/set"):
           val = float(msg)