diff --git a/libc/sysdeps/linux/common/fallocate.c b/libc/sysdeps/linux/common/fallocate.c
index b2309e9..0f80fb4 100644
--- a/libc/sysdeps/linux/common/fallocate.c
+++ b/libc/sysdeps/linux/common/fallocate.c
@@ -18,28 +18,20 @@
 extern __typeof(fallocate) __libc_fallocate attribute_hidden;
 int attribute_hidden __libc_fallocate(int fd, int mode, __off_t offset, __off_t len)
 {
-	int ret;
-
 # if __WORDSIZE == 32
-	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, mode,
-		__LONG_LONG_PAIR (zero, off_low),
-		__LONG_LONG_PAIR (zero, len_low)));
+	return fallocate64(fd, mode, offset, len);
 # elif __WORDSIZE == 64
+	int ret;
 	INTERNAL_SYSCALL_DECL(err);
 	ret = (int) (INTERNAL_SYSCALL(fallocate, err, 4, fd, mode, offset, len));
-# else
-# error your machine is neither 32 bit or 64 bit ... it must be magical
-# endif
 	if (unlikely(INTERNAL_SYSCALL_ERROR_P (ret, err))) {
 		__set_errno(INTERNAL_SYSCALL_ERRNO (ret, err));
 		ret = -1;
 	}
 	return ret;
+# else
+# error your machine is neither 32 bit or 64 bit ... it must be magical
+# endif
 }
 
 # if defined __UCLIBC_LINUX_SPECIFIC__ && defined __USE_GNU