diff --git a/.env.sample b/.env.sample
index 5956084..7f081a3 100644
--- a/.env.sample
+++ b/.env.sample
@@ -13,10 +13,10 @@ NITTER_BASE64_MEDIA=false
 NITTER_ENABLE_RSS=true
 NITTER_ENABLE_DEBUG=false
 NITTER_THEME=Nitter
-NITTER_REPLACE_TWITTER=""
-NITTER_REPLACE_YOUTUBE=""
-NITTER_REPLACE_REDDIT=""
-NITTER_REPLACE_INSTAGRAM=""
+NITTER_REPLACE_TWITTER='""'
+NITTER_REPLACE_YOUTUBE='""'
+NITTER_REPLACE_REDDIT='""'
+NITTER_REPLACE_INSTAGRAM='""'
 NITTER_PROXY_VIDEOS=true
 NITTER_HLS_PLAYBACK=false
 NITTER_INFINITE_SCROLL=false