diff --git a/xsession b/xsession
index 644b0fc..1ce2afd 100644
--- a/xsession
+++ b/xsession
@@ -16,6 +16,9 @@ export MAILCAPS=$HOME/.mailcap
 # Make QT automatically scale according to screen DPI
 export QT_AUTO_SCREEN_SCALE_FACTOR=1
 
+# GTK3 apps try to contact org.a11y.Bus. Disable that.
+export NO_AT_BRIDGE=1
+
 # Environment variables
 [ -e ~/.zshenv ] && . ~/.zshenv