diff --git a/src/xrt/auxiliary/math/m_base.cpp b/src/xrt/auxiliary/math/m_base.cpp
index a3803ad0a..3b3ba36c7 100644
--- a/src/xrt/auxiliary/math/m_base.cpp
+++ b/src/xrt/auxiliary/math/m_base.cpp
@@ -314,7 +314,7 @@ transform_accumulate_pose(const xrt_pose &transform,
 			    Eigen::Quaternionf::Identity();
 		}
 
-		math_pose_transform(&in_out_relation->pose, &transform,
+		math_pose_transform(&transform, &in_out_relation->pose,
 		                    &in_out_relation->pose);
 	}