Index: trunk/native/macosx/macos-jpackage.sh
===================================================================
--- trunk/native/macosx/macos-jpackage.sh	(revision 19051)
+++ trunk/native/macosx/macos-jpackage.sh	(revision 19061)
@@ -150,5 +150,5 @@
   do_signapp "JOSM_${first}"
   do_signapp "JOSM_${second}"
-  if [ -n "${KEYCHAINPATH}" ]; then
+  if [ "${KEYCHAINPATH}" != "false" ]; then
     function do_codesign() {
       codesign --sign "FOSSGIS e.V." \