Index: obj_line_drcenf.c
===================================================================
--- obj_line_drcenf.c	(revision 4906)
+++ obj_line_drcenf.c	(revision 4907)
@@ -500,7 +500,7 @@
 	/* shift<Key> forces the line lookahead path to refract the alternate way */
 	shift = gui->shift_is_pressed();
 
-	if (XOR(r1 > r2, shift)) {
+	if (PCB_XOR(r1 > r2, shift)) {
 		if (conf_core.editor.line_refraction != 0) {
 			if (shift) {
 				if (conf_core.editor.line_refraction !=2)