diff --git a/bigbluebutton-html5/.gitignore b/bigbluebutton-html5/.gitignore
index 2df8a85420310f0501449385454c6a792b1bc99f..535d3f9662258cbd3f8fd64048419b9a2ee85907 100755
--- a/bigbluebutton-html5/.gitignore
+++ b/bigbluebutton-html5/.gitignore
@@ -5,6 +5,7 @@ node_modules/
 .meteor/dev_bundle
 
 private/config/server/*
+!private/config/server/app.yaml
 !private/config/server/redis.yaml
 !private/config/server/shell.yaml
 
diff --git a/bigbluebutton-html5/private/config/server/app.yaml b/bigbluebutton-html5/private/config/server/app.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..83d4aaaec7070c6bd8ff8b210b77c793e7046233
--- /dev/null
+++ b/bigbluebutton-html5/private/config/server/app.yaml
@@ -0,0 +1,2 @@
+app:
+  captionsChunkLength: 1000