diff --git a/app.briar.gtk.json b/app.briar.gtk.json
index 5f5b04ce3c7cb0700ef92c54e542e3ee2a058ad3..93a86e74ff000107153071431c40eb32ee53f9c0 100644
--- a/app.briar.gtk.json
+++ b/app.briar.gtk.json
@@ -17,7 +17,7 @@
         "--filesystem=xdg-run/dconf",
         "--filesystem=~/.config/dconf:ro",
         "--talk-name=ca.desrt.dconf",
-        "--env=DCONF_USER_CONFIG_DIR=.config/dconf",
+        "--env=DCONF_USER_CONFIG_DIR=.config/dconf"
     ],
     "build-options": {
         "cflags": "-O2 -g",