diff --git a/src/p_user.c b/src/p_user.c
index 0140bee4d..9b3b8b9bd 100644
--- a/src/p_user.c
+++ b/src/p_user.c
@@ -10218,9 +10218,9 @@ boolean P_MoveChaseCamera(player_t *player, camera_t *thiscam, boolean resetcall
 	dist = FixedHypot(f1, f2);
 
 	if (mo->eflags & MFE_VERTICALFLIP)
-		angle = R_PointToAngle2(0, thiscam->z + thiscam->height, dist, mo->z + mo->height - P_GetPlayerHeight(player));
+		angle = R_PointToAngle2(0, thiscam->z + thiscam->height, dist, (sign ? sign->ceilingz : mo->z + mo->height) - P_GetPlayerHeight(player));
 	else
-		angle = R_PointToAngle2(0, thiscam->z, dist, mo->z + P_GetPlayerHeight(player));
+		angle = R_PointToAngle2(0, thiscam->z, dist, (sign ? sign->floorz : mo->z) + P_GetPlayerHeight(player));
 	if (player->playerstate != PST_DEAD)
 		angle += (focusaiming < ANGLE_180 ? focusaiming/2 : InvAngle(InvAngle(focusaiming)/2)); // overcomplicated version of '((signed)focusaiming)/2;'