diff --git a/arch/mips/include/asm/kgdb.h b/arch/mips/include/asm/kgdb.h
index 4f2302267deb..b4e210d633c2 100644
--- a/arch/mips/include/asm/kgdb.h
+++ b/arch/mips/include/asm/kgdb.h
@@ -18,7 +18,7 @@
 #ifdef CONFIG_32BIT
 #define KGDB_GDB_REG_SIZE	32
 #define GDB_SIZEOF_REG		sizeof(u32)
-#else /* CONFIG_CPU_32BIT */
+#else /* CONFIG_32BIT */
 #define KGDB_GDB_REG_SIZE	64
 #define GDB_SIZEOF_REG		sizeof(u64)
 #endif