diff --git a/panda/src/collide/collisionPolygon.cxx b/panda/src/collide/collisionPolygon.cxx
index 7c446d199d..dc1e62cc96 100644
--- a/panda/src/collide/collisionPolygon.cxx
+++ b/panda/src/collide/collisionPolygon.cxx
@@ -382,7 +382,7 @@ test_intersection_from_sphere(const CollisionEntry &entry) const {
   DCAST_INTO_R(sphere, entry.get_from(), 0);
 
   CPT(TransformState) wrt_space = entry.get_wrt_space();
-  CPT(TransformState) wrt_prev_space = entry.get_wrt_space();
+  CPT(TransformState) wrt_prev_space = entry.get_wrt_prev_space();
 
   const LMatrix4f &wrt_mat = wrt_space->get_mat();
 
diff --git a/panda/src/collide/collisionTube.cxx b/panda/src/collide/collisionTube.cxx
index c16ff49413..33b2948e5a 100644
--- a/panda/src/collide/collisionTube.cxx
+++ b/panda/src/collide/collisionTube.cxx
@@ -132,7 +132,7 @@ test_intersection_from_sphere(const CollisionEntry &entry) const {
   DCAST_INTO_R(sphere, entry.get_from(), 0);
 
   CPT(TransformState) wrt_space = entry.get_wrt_space();
-  CPT(TransformState) wrt_prev_space = entry.get_wrt_space();
+  CPT(TransformState) wrt_prev_space = entry.get_wrt_prev_space();
 
   const LMatrix4f &wrt_mat = wrt_space->get_mat();