diff --git a/gettext/po/util.go b/gettext/po/util.go
index 5254483..12fcfb8 100644
--- a/gettext/po/util.go
+++ b/gettext/po/util.go
@@ -48,9 +48,10 @@ func decodePoString(text string) string {
 func encodePoString(text string) string {
 	var buf bytes.Buffer
 	lines := strings.Split(text, "\n")
-	for i := 0; i < len(lines); i++ {
+	lenLines := len(lines)
+	for i := 0; i < lenLines; i++ {
 		if lines[i] == "" {
-			if i != len(lines)-1 {
+			if i != lenLines-1 {
 				buf.WriteString(`"\n"` + "\n")
 			}
 			continue
@@ -70,7 +71,11 @@ func encodePoString(text string) string {
 				buf.WriteRune(r)
 			}
 		}
-		buf.WriteString(`\n"` + "\n")
+		if lenLines > 1 && i != lenLines-1 {
+			buf.WriteString(`\n"` + "\n")
+		} else {
+			buf.WriteString(`"` + "\n")
+		}
 	}
 	return buf.String()
 }
diff --git a/gettext/po/util_test.go b/gettext/po/util_test.go
index 5e8331e..d5f29be 100644
--- a/gettext/po/util_test.go
+++ b/gettext/po/util_test.go
@@ -4,9 +4,7 @@
 
 package po
 
-import (
-	"testing"
-)
+import "testing"
 
 func TestDecodePoString(t *testing.T) {
 	if s := decodePoString(poStrEncode); s != poStrDecode {
@@ -20,6 +18,16 @@ func TestEncodePoString(t *testing.T) {
 	}
 }
 
+func TestEncodePoStringMessageN(t *testing.T) {
+	if s := encodePoString(poStrDecodeMessageSingleLine); s != poStrEncodeMessageSingleLine {
+		t.Fatalf(`expect = %s; got = %s`, poStrEncodeMessageSingleLine, s)
+	}
+
+	if multis := encodePoString(poStrDecodeMessageMultiLines); multis != poStrEncodeMessageMultiLines {
+		t.Fatalf(`expect = %s; got = %s`, poStrEncodeMessageMultiLines, multis)
+	}
+}
+
 const poStrEncode = `# noise
 123456789
 "Project-Id-Version: Poedit 1.5\n"
@@ -66,3 +74,13 @@ Plural-Forms: nplurals=1; plural=0;
 X-Generator: Poedit 1.5.5
 TestPoString: abc123
 `
+
+const poStrDecodeMessageSingleLine = `多國語系`
+
+const poStrEncodeMessageSingleLine = `"多國語系"` + "\n"
+
+const poStrDecodeMessageMultiLines = `多國語系
+是處理許多國家的翻譯`
+
+const poStrEncodeMessageMultiLines = `"多國語系\n"` + "\n" +
+	`"是處理許多國家的翻譯"` + "\n"