diff --git a/pkg/fileembed/fileembed.go b/pkg/fileembed/fileembed.go
index e40045155..9345b07e9 100644
--- a/pkg/fileembed/fileembed.go
+++ b/pkg/fileembed/fileembed.go
@@ -235,11 +235,11 @@ func (f *fileHandle) Readdir(int) ([]os.FileInfo, error) {
 
 func (f *fileHandle) Seek(offset int64, whence int) (int64, error) {
 	switch whence {
-	case os.SEEK_SET:
+	case io.SeekStart:
 		f.off = offset
-	case os.SEEK_CUR:
+	case io.SeekCurrent:
 		f.off += offset
-	case os.SEEK_END:
+	case io.SeekEnd:
 		f.off = f.sf.Size() + offset
 	default:
 		return 0, os.ErrInvalid
diff --git a/pkg/images/images_test.go b/pkg/images/images_test.go
index 627d2049d..2d7c92f75 100644
--- a/pkg/images/images_test.go
+++ b/pkg/images/images_test.go
@@ -20,6 +20,7 @@ import (
 	"bytes"
 	"image"
 	"image/jpeg"
+	"io"
 	"os"
 	"path/filepath"
 	"sort"
@@ -189,7 +190,7 @@ func TestRescale(t *testing.T) {
 		t.Errorf("(scale) %v pixels not equal", name)
 	}
 
-	_, err = f.Seek(0, os.SEEK_SET)
+	_, err = f.Seek(0, io.SeekStart)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -238,7 +239,7 @@ func TestRescaleEXIF(t *testing.T) {
 			t.Errorf("(scale) %v pixels not equal", name)
 		}
 
-		_, err = f.Seek(0, os.SEEK_SET)
+		_, err = f.Seek(0, io.SeekStart)
 		if err != nil {
 			t.Fatal(err)
 		}