diff --git a/interface/src/avatar/MyAvatar.cpp b/interface/src/avatar/MyAvatar.cpp
index ca9bbec6ff..074cef865e 100644
--- a/interface/src/avatar/MyAvatar.cpp
+++ b/interface/src/avatar/MyAvatar.cpp
@@ -1217,7 +1217,7 @@ void MyAvatar::updateMotors() {
             // non-hovering = walking: follow camera twist about vertical but not lift
             // so we decompose camera's rotation and store the twist part in motorRotation
             glm::quat liftRotation;
-            swingTwistDecomposition(getHead()->getCameraOrientation(), getHead()->getUpDirection(), liftRotation, motorRotation);
+            swingTwistDecomposition(getHead()->getCameraOrientation(), _worldUpDirection, liftRotation, motorRotation);
         }
         const float DEFAULT_MOTOR_TIMESCALE = 0.2f;
         const float INVALID_MOTOR_TIMESCALE = 1.0e6f;