diff --git a/.drone.yml b/.drone.yml
index ceae35b..7ff5af1 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -20,11 +20,11 @@ steps:
       # TODO: Move to a yarn script
       - wget https://dl.vikunja.io/frontend/vikunja-frontend-master.zip
       - unzip vikunja-frontend-master.zip -d frontend
-      - sed -i 's/\/fonts/file\:\/\/fonts/g' frontend/index.html
-      - sed -i 's/\/js/file\:\/\/js/g' frontend/index.html
-      - sed -i 's/\/css/file\:\/\/css/g' frontend/index.html
-      - sed -i 's/\/images/file\:\/\/images/g' frontend/index.html
-      - sed -i "s/\/'images/'file\:\/\/images/g" frontend/js/*
+      - sed -i 's/\\/fonts/file\:\\/\\/fonts/g' frontend/index.html
+      - sed -i 's/\\/js/file\:\\/\\/js/g' frontend/index.html
+      - sed -i 's/\\/css/file\:\\/\\/css/g' frontend/index.html
+      - sed -i 's/\\/images/file\:\\/\\/images/g' frontend/index.html
+      - sed -i "s/\\/'images/'file\:\\/\\/images/g" frontend/js/*
       - yarn install
       - export BUILD_NUMBER=master
       - yarn dist --linux --windows