diff --git a/arch/x86_64/bits/posix.h b/arch/x86_64/bits/posix.h
index d9f01fd9f055e4512adb0c0383cacaf8854363e3..c37b94c142fddb0fb0715efb9c9596e18bae347c 100644
--- a/arch/x86_64/bits/posix.h
+++ b/arch/x86_64/bits/posix.h
@@ -1,2 +1,2 @@
 #define _POSIX_V6_LP64_OFF64  1
-#define _POSIX_V6_LP64_OFF64  1
+#define _POSIX_V7_LP64_OFF64  1