--- ./libc/sysdeps/linux/common/posix_fallocate.c.orig
+++ ./libc/sysdeps/linux/common/posix_fallocate.c
@@ -22,11 +22,10 @@
 	uint32_t off_low = offset;
 	uint32_t len_low = len;
 	/* may assert that these >>31 are 0 */
-	uint32_t zero = 0;
 	INTERNAL_SYSCALL_DECL(err);
 	ret = (int) (INTERNAL_SYSCALL(fallocate, err, 6, fd, 0,
-		__LONG_LONG_PAIR (zero, off_low),
-		__LONG_LONG_PAIR (zero, len_low)));
+		__LONG_LONG_PAIR (0, off_low),
+		__LONG_LONG_PAIR (0, len_low)));
 # elif __WORDSIZE == 64
 	INTERNAL_SYSCALL_DECL(err);
 	ret = (int) (INTERNAL_SYSCALL(fallocate, err, 4, fd, 0, offset, len));
diff --git a/libc/sysdeps/linux/i386/bits/syscalls.h b/libc/sysdeps/linux/i386/bits/syscalls.h
index 9fb4f35..566b5ac 100644
--- a/libc/sysdeps/linux/i386/bits/syscalls.h
+++ b/libc/sysdeps/linux/i386/bits/syscalls.h
@@ -136,7 +136,7 @@ __asm__ (
 #define ASMFMT_5(arg1, arg2, arg3, arg4, arg5) \
 	, "a" (arg1), "c" (arg2), "d" (arg3), "S" (arg4), "D" (arg5)
 #define ASMFMT_6(arg1, arg2, arg3, arg4, arg5, arg6) \
-	, "a" (arg1), "c" (arg2), "d" (arg3), "S" (arg4), "D" (arg5), "m" (arg6)
+	, "a" (arg1), "c" (arg2), "d" (arg3), "S" (arg4), "D" (arg5), "g" (arg6)
 
 #else /* !PIC */