diff --git a/meta-arm/lib/fvp/runner.py b/meta-arm/lib/fvp/runner.py
index 4fd624ba..c52cdc1c 100644
--- a/meta-arm/lib/fvp/runner.py
+++ b/meta-arm/lib/fvp/runner.py
@@ -91,7 +91,7 @@ class FVPRunner:
         # Pass through environment variables needed for GUI applications, such
         # as xterm, to work.
         env = config['env']
-        for name in ('DISPLAY', 'WAYLAND_DISPLAY'):
+        for name in ('DISPLAY', 'WAYLAND_DISPLAY', 'XAUTHORITY'):
             if name in os.environ:
                 env[name] = os.environ[name]