diff --git a/src/overlays/ovl_i5/fox_ma.c b/src/overlays/ovl_i5/fox_ma.c
index c2ac7a28..fa994da6 100644
--- a/src/overlays/ovl_i5/fox_ma.c
+++ b/src/overlays/ovl_i5/fox_ma.c
@@ -4227,6 +4227,10 @@ void Macbeth_Actor207_Update(Actor207* this) {
     s16 spC6;
     u8 i;
 
+    #ifdef AVOID_UB
+    sp374 = 0.0f;
+#endif
+
     switch (this->state) {
         case 0:
             Macbeth_8019A198(this);