diff --git a/third_party/zip/android.go b/third_party/zip/android.go
index e2e46ff..f3b6055 100644
--- a/third_party/zip/android.go
+++ b/third_party/zip/android.go
@@ -32,6 +32,12 @@
 	fh := &fileHeader
 	fh.Flags |= 0x8
 
+	// The zip64 extras change between the Central Directory and Local File Header, while we use
+	// the same structure for both. The Local File Haeder is taken care of by us writing a data
+	// descriptor with the zip64 values. The Central Directory Entry is written by Close(), where
+	// the zip64 extra is automatically created and appended when necessary.
+	fh.Extra = stripZip64Extras(fh.Extra)
+
 	h := &header{
 		FileHeader: fh,
 		offset:     uint64(w.cw.count),
@@ -70,6 +76,29 @@
 	return err
 }
 
+// Strip any Zip64 extra fields
+func stripZip64Extras(input []byte) []byte {
+	ret := []byte{}
+
+	for len(input) >= 4 {
+		r := readBuf(input)
+		tag := r.uint16()
+		size := r.uint16()
+		if int(size) > len(r) {
+			break
+		}
+		if tag != zip64ExtraId {
+			ret = append(ret, input[:4+size]...)
+		}
+		input = input[4+size:]
+	}
+
+	// Keep any trailing data
+	ret = append(ret, input...)
+
+	return ret
+}
+
 // CreateCompressedHeader adds a file to the zip file using the provied
 // FileHeader for the file metadata.
 // It returns a Writer to which the already compressed file contents