diff --git a/mission/controller/acs/AcsParameters.h b/mission/controller/acs/AcsParameters.h
index 8f415103..dfb99c2c 100644
--- a/mission/controller/acs/AcsParameters.h
+++ b/mission/controller/acs/AcsParameters.h
@@ -866,7 +866,7 @@ class AcsParameters : public HasParametersIF {
     double desatMomentumRef[3] = {0, 0, 0};
     double deSatGainFactor = 1000;
     uint8_t desatOn = true;
-    uint8_t useMekf = false;
+    uint8_t useMekf = true;
   } pointingLawParameters;
 
   struct IdleModeControllerParameters : PointingLawParameters {