diff --git a/.drone.yml b/.drone.yml
index e29d081..9c5557c 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -26,7 +26,7 @@ steps:
             export ARCH="unknown"
             ;;
           esac
-      - export BUILDX_URL=$(wget -q -O - https://api.github.com/repos/docker/buildx/releases/latest | grep "browser_download_url.*linux-$ARCH" | cut -d: -f2,3 | tr -d \")
+      - 'export BUILDX_URL=`wget -q -O - https://api.github.com/repos/docker/buildx/releases/latest | grep "browser_download_url.*linux-$ARCH" | cut -d: -f2,3 | tr -d \"`'
       - mkdir -p ~/.docker/cli-plugins
       - wget -O ~/.docker/cli-plugins/docker-buildx $BUILDX_URL
       - chmod a+x ~/.docker/cli-plugins/docker-buildx