diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h
index dc6b6f2..db2a0ef 100644
--- a/include/asm-x86_64/pgtable.h
+++ b/include/asm-x86_64/pgtable.h
@@ -114,7 +114,7 @@
 #define PGDIR_MASK	(~(PGDIR_SIZE-1))
 
 #define USER_PTRS_PER_PGD	(TASK_SIZE/PGDIR_SIZE)
-#define FIRST_USER_PGD_NR	0
+#define FIRST_USER_ADDRESS	0
 
 #ifndef __ASSEMBLY__
 #define MAXMEM		 0x3fffffffffffUL