diff --git a/src/modules/systemlib/mixer/mixer_multirotor.cpp b/src/modules/systemlib/mixer/mixer_multirotor.cpp
index 6f714b40b5..3106bfdd86 100644
--- a/src/modules/systemlib/mixer/mixer_multirotor.cpp
+++ b/src/modules/systemlib/mixer/mixer_multirotor.cpp
@@ -102,7 +102,7 @@ MultirotorMixer::MultirotorMixer(ControlCallback control_cb,
 MultirotorMixer::~MultirotorMixer()
 {
 	if (_outputs_prev != nullptr) {
-		delete _outputs_prev;
+		delete[] _outputs_prev;
 	}
 }