diff --git a/devices/google-walleye/default.nix b/devices/google-walleye/default.nix
index 79f4c115..c9603738 100644
--- a/devices/google-walleye/default.nix
+++ b/devices/google-walleye/default.nix
@@ -65,7 +65,6 @@
 
   mobile.usb.gadgetfs.functions = {
     rndis = "gsi.rndis";
-    # FIXME: This is the right function name, but doesn't work.
-    # adb = "ffs.usb0";
+    adb = "ffs.adb";
   };
 }