diff --git a/unix/syscall_linux_arm.go b/unix/syscall_linux_arm.go
index 6fe014f..b5da9e3 100644
--- a/unix/syscall_linux_arm.go
+++ b/unix/syscall_linux_arm.go
@@ -4,7 +4,10 @@
 
 package unix
 
-import "unsafe"
+import (
+	"syscall"
+	"unsafe"
+)
 
 func Getpagesize() int { return 4096 }
 
@@ -25,7 +28,7 @@
 
 // Underlying system call writes to newoffset via pointer.
 // Implemented in assembly to avoid allocation.
-func seek(fd int, offset int64, whence int) (newoffset int64, err Errno)
+func seek(fd int, offset int64, whence int) (newoffset int64, err syscall.Errno)
 
 func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
 	newoffset, errno := seek(fd, offset, whence)