Index: trunk/src_plugins/export_openscad/export_openscad.c
===================================================================
--- trunk/src_plugins/export_openscad/export_openscad.c	(revision 17845)
+++ trunk/src_plugins/export_openscad/export_openscad.c	(revision 17846)
@@ -607,7 +607,8 @@
 	f = pcb_fopen(name, "w");
 	if (f == NULL) {
 		pcb_message(PCB_MSG_ERROR, "Failed to open %s for writing\n", name);
-		return -1;
+		PCB_ACT_IRES(-1);
+		return 0;
 	}
 
 
@@ -639,6 +640,8 @@
 	} PCB_ENDALL_LOOP;
 
 	fclose(f);
+
+	PCB_ACT_IRES(0);
 	return 0;
 }