diff --git a/src/modules/mc_pos_control/PositionControl.cpp b/src/modules/mc_pos_control/PositionControl.cpp
index 0c29fc6d63..a7d978827f 100644
--- a/src/modules/mc_pos_control/PositionControl.cpp
+++ b/src/modules/mc_pos_control/PositionControl.cpp
@@ -67,6 +67,7 @@ PositionControl::PositionControl()
 	_ThrMax_h = param_find("MPC_THR_MAX");
 	_ThrMinPosition_h = param_find("MPC_THR_MIN");
 	_ThrMinStab_h = param_find("MPC_MANTHR_MIN");
+	_parameter_sub = orb_subscribe(ORB_ID(parameter_update));
 
 	/* Set parameter the very first time. */
 	_setParams();