app-addons-blog-func.php.diff

diff --git a/app/addons/blog/func.php b/app/addons/blog/func.php
index 2e75e3248b..f0f7df1ca8 100644
--- a/app/addons/blog/func.php
+++ b/app/addons/blog/func.php
@@ -115,10 +115,13 @@ function fn_blog_update_page_post($page_data, $page_id, $lang_code, $create, $ol
     if (!empty($page_data['page_type']) && $page_data['page_type'] == PAGE_TYPE_BLOG) {
         fn_attach_image_pairs('blog_image', 'blog', $page_id, $lang_code);
 
-        db_query("REPLACE INTO ?:blog_authors ?e", array(
-            'page_id' => $page_id,
-            'user_id' => Tygh::$app['session']['auth']['user_id']
-        ));
+        if (empty($page_data['author'])) {
+            db_query('DELETE FROM ?:blog_authors WHERE page_id = ?i', $page_id);
+            db_query("REPLACE INTO ?:blog_authors ?e", array(
+                'page_id' => $page_id,
+                'user_id' => Tygh::$app['session']['auth']['user_id']
+            ));
+        }
     }
 }
 

design-backend-templates-addons-blog-hooks-pages-detailed_content.post.tpl.diff

diff --git a/design/backend/templates/addons/blog/hooks/pages/detailed_content.post.tpl b/design/backend/templates/addons/blog/hooks/pages/detailed_content.post.tpl
index 8208bffe59..305d9f4a5f 100644
--- a/design/backend/templates/addons/blog/hooks/pages/detailed_content.post.tpl
+++ b/design/backend/templates/addons/blog/hooks/pages/detailed_content.post.tpl
@@ -1,6 +1,15 @@
 {if $page_type == $smarty.const.PAGE_TYPE_BLOG}
 
 {include file="common/subheader.tpl" title=__("blog") target="#blog_image"}
+<div id="blog_author" class="in collapse">
+    <div class="control-group">
+        <label class="control-label">{__("author")}:</label>
+        <div class="controls">
+            <input type="text" name="page_data[author]" value="{$page_data.author}">
+        </div>
+    </div>
+</div>
+
 <div id="blog_image" class="in collapse">
     <fieldset>
         <div class="control-group">