diff --git a/src/modules/camera_trigger/camera_trigger.cpp b/src/modules/camera_trigger/camera_trigger.cpp
index 564617bef7..89947c8fcf 100644
--- a/src/modules/camera_trigger/camera_trigger.cpp
+++ b/src/modules/camera_trigger/camera_trigger.cpp
@@ -212,6 +212,9 @@ CameraTrigger::start()
 		warnx(" invalid trigger polarity setting. stopping.");
 		stop();
 	}
+
+	poll(this);
+
 }
 
 void