diff --git a/mozilla/mailnews/extensions/palmsync/Makefile.in b/mozilla/mailnews/extensions/palmsync/Makefile.in
index 409ab78b6b4..bee68ac5f3c 100644
--- a/mozilla/mailnews/extensions/palmsync/Makefile.in
+++ b/mozilla/mailnews/extensions/palmsync/Makefile.in
@@ -54,10 +54,11 @@ USE_EXTENSION_MANIFEST = 1
 NO_JAR_AUTO_REG        = 1
 INSTALL_EXTENSION_ID   = palmsync@mozilla.org
 XPI_PKGNAME            = palmsync-$(MOZ_APP_VERSION)
+DIST_FILES = install.rdf
 endif
 
-PREF_JS_EXPORTS = palmsync.js
-DIST_FILES = install.rdf
+PREF_JS_EXPORTS = $(srcdir)/palmsync.js
+
 
 # We should really pull THUNDERBIRD_VERSION from
 # mail/config/version.txt but we can't be assured