diff --git a/containers/mautrix-facebook.yaml b/containers/mautrix-facebook.yaml
index b5f2f34..c0def8f 100644
--- a/containers/mautrix-facebook.yaml
+++ b/containers/mautrix-facebook.yaml
@@ -104,6 +104,7 @@ manhole:
 
 # Bridge config
 bridge:
+    env_prefix: "MAUTRIX_FACEBOOK"
     # Localpart template of MXIDs for Facebook users.
     # {userid} is replaced with the user ID of the Facebook user.
     username_template: "facebook_{userid}"
@@ -323,8 +324,6 @@ facebook:
     carrier: Verizon
     hni: 311390
 
-env_prefix: "MAUTRIX_FACEBOOK"
-
 # Python logging configuration.
 #
 # See section 16.7.2 of the Python documentation for more info: