diff --git a/files/slackpkg b/files/slackpkg
index 213263c..1076ba3 100644
--- a/files/slackpkg
+++ b/files/slackpkg
@@ -70,7 +70,7 @@ SOURCE=$(sed -n '
 	\@^local://@p
 	\@^https\{0,1\}://@p
 	\@^ftps\{0,1\}://@p' $CONF/mirrors)
-. $CONF/slackpkg.conf
+PATH='' builtin source $CONF/slackpkg.conf
 WORKDIR=${ROOT}/${WORKDIR}
 ERROR=""