diff --git a/.drone.yml b/.drone.yml
index 21df09a..76417bd 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -32,7 +32,7 @@ steps:
       MYSQLPORT:
         from_secret: MYSQLPORT
     commands:
-      - export WEBROOT=$$WEBROOT
+      - export WEBROOT=${WEBROOT}
       - export MYSQLHOST=$MYSQLHOST
       - export MYSQLNAME=$MYSQLNAME
       - export MYSQLUSER=$MYSQLUSER