diff --git a/mission/controller/acs/Guidance.cpp b/mission/controller/acs/Guidance.cpp
index 0a70e003..4406a224 100644
--- a/mission/controller/acs/Guidance.cpp
+++ b/mission/controller/acs/Guidance.cpp
@@ -59,6 +59,7 @@ void Guidance::targetQuatPtgTarget(timeval timeAbsolute, const double timeDelta,
   // this aligns with the camera, E- and S-band antennas
   double xAxisIX[3] = {0, 0, 0};
   VectorOperations<double>::normalize(targetDirI, xAxisIX, 3);
+  VectorOperations<double>::mulScalar(xAxisIX, -1, xAxisIX, 3);
 
   // transform velocity into inertial frame
   double velSatI[3] = {0, 0, 0};