diff --git a/build/build.xml b/build/build.xml
index 917232763..91d562346 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -574,8 +574,8 @@
 		  prefix="arduino-${version}" 
 		  excludes="**/*.tgz,
 			     **/*.bz2,
-			     **/macosx/,
-			     **/windows/,
+			     **/build/macosx/,
+			     **/build/windows/,
 			     **/work/,
 			     **/.git/,
 			     **/*.class"