diff --git a/lib/po.js b/lib/po.js
index 623165f..a7f9c2c 100644
--- a/lib/po.js
+++ b/lib/po.js
@@ -20,12 +20,12 @@ PO.prototype.toString = function () {
 
     if (this.comments) {
         this.comments.forEach(function (comment) {
-            lines.push('# ' + comment);
+            lines.push(('# ' + comment).trim());
         });
     }
     if (this.extractedComments) {
         this.extractedComments.forEach(function (comment) {
-            lines.push('#. ' + comment);
+            lines.push(('#. ' + comment).trim());
         });
     }
 
diff --git a/test/write.js b/test/write.js
index c70244b..9304f49 100644
--- a/test/write.js
+++ b/test/write.js
@@ -2,12 +2,13 @@ var assert = require('assert');
 var fs = require('fs');
 var PO = require('..');
 
-function assertHasLine(str, line) {
+function assertHasLine(str, line, doNotTrim) {
     var lines = str.split('\n');
     var found = false;
 
     for (var i = 0; i < lines.length; i++) {
-        if (lines[i].trim() === line) {
+        var lineToCompare = doNotTrim ? lines[i] : lines[i].trim();
+        if (lineToCompare === line) {
             found = true;
             break;
         }
@@ -53,6 +54,13 @@ describe('Write', function () {
         assertHasLine(str, '#, fuzzy');
     });
 
+    it('write empty comment without an unecessary space', function () {
+        var input = fs.readFileSync(__dirname + '/fixtures/fuzzy.po', 'utf8');
+        var po = PO.parse(input);
+        var str = po.toString();
+        assertHasLine(str, '#', true);
+    });
+
     it('write flags only when true', function () {
         var input = fs.readFileSync(__dirname + '/fixtures/fuzzy.po', 'utf8');
         var po = PO.parse(input);