Index: obj_hash.h
===================================================================
--- obj_hash.h	(revision 22250)
+++ obj_hash.h	(revision 22251)
@@ -74,7 +74,7 @@
 PCB_INLINE unsigned pcb_hash_angle(const pcb_host_trans_t *tr, pcb_angle_t ang)
 {
 	long l;
-	ang += tr->rot;
+	ang = fmod(ang + tr->rot, 360.0);
 	ang *= 10000;
 	l = floor(ang);
 	return murmurhash(&l, sizeof(l));