diff --git a/build/entrypoint.sh b/build/entrypoint.sh
index 1931087..710f01d 100644
--- a/build/entrypoint.sh
+++ b/build/entrypoint.sh
@@ -2,6 +2,11 @@
 
 set -ex
 
+# Modify prefs.json
+if [[ $cache_enabled == true ]]; then
+    sed -i 's/"cache_enabled": "true"/"cache_enabled": "false"/' /root/.config/protonmail/bridge/prefs.json
+fi
+
 # Initialize
 if [[ $1 == init ]]; then