diff -r 7dea0665f414 -r e925ec41a00c LibraryDefinition.st
--- a/LibraryDefinition.st	Wed Jun 15 16:33:01 2016 +0200
+++ b/LibraryDefinition.st	Wed Jun 15 16:33:04 2016 +0200
@@ -123,7 +123,7 @@
 bc_dot_mak_mappings
     |d resFileName|
 
-    resFileName := (self package copyFrom:(self package lastIndexOfAny:':/')+1),'.$(RES)'.
+    resFileName := self resourceFilename. "/ (self package copyFrom:(self package lastIndexOfAny:':/')+1),'.$(RES)'.
 
     d := super bc_dot_mak_mappings.
     ^ d