diff --git a/setup.sh b/setup.sh
index d36dc6d..1a9f62f 100755
--- a/setup.sh
+++ b/setup.sh
@@ -2,7 +2,7 @@
 
 set -e
 
-if [ -z "$RCLONE_CONFIG_FILE" ]; then 
+if [ -n "$RCLONE_CONFIG_FILE" ]; then 
     echo "$RCLONE_CONFIG_FILE" > "${RCLONE_CONFIG:=/config/rclone.conf}"
 fi