3 files changed, 7 insertions, 7 deletions
diff --git a/src/cmd/go/note.go b/src/cmd/go/note.go
index ada8ddded4..fae9536d13 100644
--- a/src/cmd/go/note.go
+++ b/src/cmd/go/note.go
@@ -110,7 +110,7 @@ func readELFGoBuildID(filename string, f *os.File, data []byte) (buildid string,
 			// or even the first few megabytes of the file
 			// due to differences in note segment placement;
 			// in that case, extract the note data manually.
-			_, err = f.Seek(int64(p.Off), 0)
+			_, err = f.Seek(int64(p.Off), io.SeekStart)
 			if err != nil {
 				return "", err
 			}
diff --git a/src/cmd/internal/goobj/read.go b/src/cmd/internal/goobj/read.go
index 69fa496110..214f65cbc4 100644
--- a/src/cmd/internal/goobj/read.go
+++ b/src/cmd/internal/goobj/read.go
@@ -290,9 +290,9 @@ func importPathToPrefix(s string) string {
 func (r *objReader) init(f io.ReadSeeker, p *Package) {
 	r.f = f
 	r.p = p
-	r.offset, _ = f.Seek(0, 1)
-	r.limit, _ = f.Seek(0, 2)
-	f.Seek(r.offset, 0)
+	r.offset, _ = f.Seek(0, io.SeekCurrent)
+	r.limit, _ = f.Seek(0, io.SeekEnd)
+	f.Seek(r.offset, io.SeekStart)
 	r.b = bufio.NewReader(f)
 	r.pkgprefix = importPathToPrefix(p.ImportPath) + "."
 }
@@ -440,7 +440,7 @@ func (r *objReader) skip(n int64) {
 		r.readFull(r.tmp[:n])
 	} else {
 		// Seek, giving up buffered data.
-		_, err := r.f.Seek(r.offset+n, 0)
+		_, err := r.f.Seek(r.offset+n, io.SeekStart)
 		if err != nil {
 			r.error(err)
 		}
diff --git a/src/cmd/pack/pack.go b/src/cmd/pack/pack.go
index 5be42555d0..1c168f946b 100644
--- a/src/cmd/pack/pack.go
+++ b/src/cmd/pack/pack.go
@@ -286,7 +286,7 @@ func (ar *Archive) output(entry *Entry, w io.Writer) {
 		log.Fatal("short file")
 	}
 	if entry.size&1 == 1 {
-		_, err := ar.fd.Seek(1, 1)
+		_, err := ar.fd.Seek(1, io.SeekCurrent)
 		if err != nil {
 			log.Fatal(err)
 		}
@@ -299,7 +299,7 @@ func (ar *Archive) skip(entry *Entry) {
 	if size&1 == 1 {
 		size++
 	}
-	_, err := ar.fd.Seek(size, 1)
+	_, err := ar.fd.Seek(size, io.SeekCurrent)
 	if err != nil {
 		log.Fatal(err)
 	}