diff --git a/goal_src/jak3/levels/common/enemy/spydroid.gc b/goal_src/jak3/levels/common/enemy/spydroid.gc
index 2d335f3134..8e2de84834 100644
--- a/goal_src/jak3/levels/common/enemy/spydroid.gc
+++ b/goal_src/jak3/levels/common/enemy/spydroid.gc
@@ -745,6 +745,9 @@
         (when a0-2
           (let ((s5-0 (new 'stack-no-clear 'vector)))
             (vector-copy! s5-0 (get-trans a0-2 3))
+            ;; og:preserve-this prevent NaN propagation - if bullseye-joint (3) returns NaNs, fall back to root trans (0)
+            (when (is-nan? (-> s5-0 x))
+              (vector-copy! s5-0 (get-trans a0-2 0)))
             (vector-! gp-0 s5-0 (-> self root trans))
             )
           )