# define MMU_IS_SUN3 (0)
#elif defined(CONFIG_M68030) || defined(CONFIG_M68040) || defined(CONFIG_M68060)
# define CPU_IS_020 (m68k_cputype & CPU_68020)
-# define MMU_IS_851 (m68k_cputype & MMU_68851)
+# define MMU_IS_851 (m68k_mmutype & MMU_68851)
# define MMU_IS_SUN3 (0) /* Sun3 not supported with other CPU enabled */
#else
# define CPU_M68020_ONLY