diff --git a/modules/document/document.controller.php b/modules/document/document.controller.php
index eb503a0b5..2651271c4 100644
--- a/modules/document/document.controller.php
+++ b/modules/document/document.controller.php
@@ -328,13 +328,20 @@
 
             // 글쓴이의 언어변수와 원문의 언어변수가 다르면 확장변수로 처리
             if($source_obj->get('lang_code') != Context::getLangType()) {
-                $extra_content->title = $obj->title;
-                $extra_content->content = $obj->content;
+                // 원문의 언어변수가 없을경우 확장변수가 아닌 원문의 언어변수를 변경
+                if(!$source_obj->get('lang_code')) {
+                    $lang_code_args->document_srl = $source_obj->get('document_srl');
+                    $lang_code_args->lang_code = Context::getLangType();
+                    $output = executeQuery('document.updateDocumentsLangCode', $lang_code_args);
+                } else {
+                    $extra_content->title = $obj->title;
+                    $extra_content->content = $obj->content;
 
-                $document_args->document_srl = $source_obj->get('document_srl');
-                $document_output = executeQuery('document.getDocument', $document_args);
-                $obj->title = $document_output->data->title;
-                $obj->content = $document_output->data->content;
+                    $document_args->document_srl = $source_obj->get('document_srl');
+                    $document_output = executeQuery('document.getDocument', $document_args);
+                    $obj->title = $document_output->data->title;
+                    $obj->content = $document_output->data->content;
+                }
             }
 
             // 세션에서 최고 관리자가 아니면 iframe, script 제거
diff --git a/modules/document/queries/updateDocumentsLangCode.xml b/modules/document/queries/updateDocumentsLangCode.xml
index b5728aecc..8bd0f8dc0 100644
--- a/modules/document/queries/updateDocumentsLangCode.xml
+++ b/modules/document/queries/updateDocumentsLangCode.xml
@@ -5,4 +5,7 @@
     <columns>
         <column name="lang_code" var="lang_code" notnull="notnull" />
     </columns>
+    <conditions>
+        <condition operation="equal" column="document_srl" var="document_srl" filter="number" />
+    </conditions>
 </query>