diff --git a/mission/controller/acs/FusedRotationEstimation.cpp b/mission/controller/acs/FusedRotationEstimation.cpp
index bca5f190..4f1dad45 100644
--- a/mission/controller/acs/FusedRotationEstimation.cpp
+++ b/mission/controller/acs/FusedRotationEstimation.cpp
@@ -70,11 +70,6 @@ void FusedRotationEstimation::estimateFusedRotationRateSafe(
   double fusedRotRateTotal[3] = {0, 0, 0};
   VectorOperations<double>::add(fusedRotRateParallel, fusedRotRateOrthogonal, fusedRotRateTotal);
 
-  // store for calculation of angular acceleration
-  if (gyrDataProcessed->gyrVecTot.isValid()) {
-    std::memcpy(rotRateOldB, gyrDataProcessed->gyrVecTot.value, 3 * sizeof(double));
-  }
-
   {
     PoolReadGuard pg(fusedRotRateData);
     std::memcpy(fusedRotRateData->rotRateOrthogonal.value, fusedRotRateOrthogonal,
@@ -83,6 +78,11 @@ void FusedRotationEstimation::estimateFusedRotationRateSafe(
     std::memcpy(fusedRotRateData->rotRateTotal.value, fusedRotRateTotal, 3 * sizeof(double));
     fusedRotRateData->setValidity(true, true);
   }
+
+  // store for calculation of angular acceleration
+  if (gyrDataProcessed->gyrVecTot.isValid()) {
+    std::memcpy(rotRateOldB, gyrDataProcessed->gyrVecTot.value, 3 * sizeof(double));
+  }
 }
 
 void FusedRotationEstimation::estimateFusedRotationRateEclipse(