diff --git a/docker-compose.yml b/docker-compose.yml
index 955218a..4cd019a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -9,4 +9,4 @@ services:
       - IWM_SERVER="http://make.fangam.es"
       - IWM_THUMBNAILS="https://images.make.fangam.es"
       - IMGPROXY_URL="http://127.0.0.1:8080"
-      - IMGPROXY_PARAMS="{\"extension\":\"webp\",\"advanced\":[\"q:50\"]}"
+      - IMGPROXY_PARAMS="{\"advanced\":[\"q:50\"]}"