diff --git a/sysdeps/mach/hurd/device-nrs.h b/sysdeps/mach/hurd/device-nrs.h
index 3edac104ba..ce441a50f2 100644
--- a/sysdeps/mach/hurd/device-nrs.h
+++ b/sysdeps/mach/hurd/device-nrs.h
@@ -22,7 +22,7 @@
 
 #include <hurd/hurd_types.h>
 
-/* We cannot check whether a given device is a tty.  */
-#define DEV_TTY_P(statp) ((stap)->st_fstype == FSTYPE_TERM)
+/* Check whether a given device is a tty.  */
+#define DEV_TTY_P(statp) ((statp)->st_fstype == FSTYPE_TERM)
 
 #endif	/* device-nrs.h */