diff --git a/scripts/init.sh b/scripts/init.sh
index e05fd79ee..668dc549e 100755
--- a/scripts/init.sh
+++ b/scripts/init.sh
@@ -34,7 +34,9 @@ fi
 DEFAULT=/etc/default/telegraf
 
 if [ -r $DEFAULT ]; then
+    set -o allexport
     source $DEFAULT
+    set +o allexport
 fi
 
 if [ -z "$STDOUT" ]; then