diff --git a/src/pyrecest/filters/velocity_aligned_mem_qkf_tracker.py b/src/pyrecest/filters/velocity_aligned_mem_qkf_tracker.py
index 9ea033215..f01f2c25c 100644
--- a/src/pyrecest/filters/velocity_aligned_mem_qkf_tracker.py
+++ b/src/pyrecest/filters/velocity_aligned_mem_qkf_tracker.py
@@ -247,3 +247,5 @@ def _update_single_measurement_qkf(
 
 
 VelocityAlignedMemQkfTracker = VelocityAlignedMEMQKFTracker
+VelocityLockedMEMQKFTracker = VelocityAlignedMEMQKFTracker
+VelocityLockedMemQkfTracker = VelocityAlignedMEMQKFTracker