diff --git a/lib/other/_lseek64.c b/lib/other/_lseek64.c
new file mode 100644
index 000000000..e4aa9c506
--- /dev/null
+++ b/lib/other/_lseek64.c
@@ -0,0 +1,22 @@
+#include <lib.h>
+#define lseek64	_lseek64
+#include <unistd.h>
+#include <minix/u64.h>
+
+PUBLIC int lseek64(fd, offset, whence, newpos)
+int fd;
+u64_t offset;
+int whence;
+u64_t *newpos;
+{
+  message m;
+
+  m.m2_i1 = fd;
+  m.m2_l1 = ex64lo(offset);
+  m.m2_l2 = ex64hi(offset);
+  m.m2_i2 = whence;
+  if (_syscall(FS, LLSEEK, &m) < 0) return -1;
+  if (newpos)
+	*newpos= make64(m.m2_l2, m.m2_l1);
+  return 0;
+}
diff --git a/lib/syscall/lseek64.s b/lib/syscall/lseek64.s
new file mode 100644
index 000000000..ec8600ec9
--- /dev/null
+++ b/lib/syscall/lseek64.s
@@ -0,0 +1,7 @@
+.sect .text
+.extern	__lseek64
+.define	_lseek64
+.align 2
+
+_lseek64:
+	jmp	__lseek64