diff --git a/mission/controller/AcsController.cpp b/mission/controller/AcsController.cpp
index f9ea5926..1f215ded 100644
--- a/mission/controller/AcsController.cpp
+++ b/mission/controller/AcsController.cpp
@@ -219,10 +219,9 @@ void AcsController::performDetumble() {
   {
     PoolReadGuard pg(&actuatorCmdData);
     if (pg.getReadResult() == returnvalue::OK) {
-      int32_t zeroVec[4] = {0, 0, 0, 0};
-      std::memcpy(actuatorCmdData.rwTargetTorque.value, zeroVec, 4 * sizeof(double));
+      std::memset(actuatorCmdData.rwTargetTorque.value, 0, 4 * sizeof(double));
       actuatorCmdData.rwTargetTorque.setValid(false);
-      std::memcpy(actuatorCmdData.rwTargetSpeed.value, zeroVec, 4 * sizeof(int32_t));
+      std::memset(actuatorCmdData.rwTargetSpeed.value, 0, 4 * sizeof(int32_t));
       actuatorCmdData.rwTargetSpeed.setValid(false);
       std::memcpy(actuatorCmdData.mtqTargetDipole.value, cmdDipolUnitsInt, 3 * sizeof(int16_t));
       actuatorCmdData.mtqTargetDipole.setValid(true);