diff --git a/libraries/AP_AHRS/AP_AHRS_DCM.cpp b/libraries/AP_AHRS/AP_AHRS_DCM.cpp
index a29a2e3e17..8634266840 100644
--- a/libraries/AP_AHRS/AP_AHRS_DCM.cpp
+++ b/libraries/AP_AHRS/AP_AHRS_DCM.cpp
@@ -411,7 +411,7 @@ AP_AHRS_DCM::drift_correction(float deltat)
 	_have_gps_lock = true;
     }
 
-#if 0
+#if 1
     /* 
        NOTE: The barometric vertical acceleration correction is disabled 
        until we work out how to filter it sufficiently to be usable