Index: trunk/src/obj_hash.h
===================================================================
--- trunk/src/obj_hash.h	(revision 22250)
+++ trunk/src/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));
Index: trunk/src/obj_pstk.c
===================================================================
--- trunk/src/obj_pstk.c	(revision 22250)
+++ trunk/src/obj_pstk.c	(revision 22251)
@@ -223,7 +223,7 @@
 {
 TODO("padstack: should compare shape by shape: a 180 deg rotated or mirrored rectangle is still just the same rectangle!")
 	if (pcb_field_neq(p1, p2, smirror) || pcb_field_neq(p1, p2, xmirror)) return 0;
-	if (floor((p1->rot + tr1->rot)*10000) != floor((p2->rot + tr2->rot)*10000)) return 0;
+	if (floor(fmod(p1->rot + tr1->rot, 360.0)*10000) != floor(fmod(p2->rot + tr2->rot, 360.0)*10000)) return 0;
 	if (!PCB_FLAG_TEST(PCB_FLAG_FLOATER, p1) && !PCB_FLAG_TEST(PCB_FLAG_FLOATER, p2)) {
 		pcb_coord_t x1, y1, x2, y2;