diff --git a/.drone.yml b/.drone.yml
index 32bf609..39e04e3 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -20,7 +20,7 @@ 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/\/api\/v1//g' frontend/index.html
+      - sed -i 's/\\/api\\/v1//g' frontend/index.html
       - yarn install
       # Make sure that the -master suffix is added to release files
       - sed -i 's/${version}/master/g' package.json