diff --git a/src/main/webapp/resources/css/xit-extend.css b/src/main/webapp/resources/css/xit-extend.css
index 11165437..7209614f 100644
--- a/src/main/webapp/resources/css/xit-extend.css
+++ b/src/main/webapp/resources/css/xit-extend.css
@@ -51,12 +51,12 @@ select {
 
 
 
-#innerPageTabContents {
+#main-tab-content {
     height : calc( 100% - 2.2rem );
     padding-bottom: 0px;
 }
 
-#innerPageTabContents > div {
+#main-tab-content > div {
     height : 100%;
 }
 
diff --git a/src/main/webapp/resources/js/fims/cmmn/cmmnUtil.js b/src/main/webapp/resources/js/fims/cmmn/cmmnUtil.js
index 7d55936e..5c478332 100644
--- a/src/main/webapp/resources/js/fims/cmmn/cmmnUtil.js
+++ b/src/main/webapp/resources/js/fims/cmmn/cmmnUtil.js
@@ -32,7 +32,7 @@ function fnMenualDownload(){
 
 //현재 활성화된 최상위 탭 영역을 반환한다.
 function getActiveRootTabArea(){
-	return $("#innerPageTabContents").children(".active")[0];
+	return $("#main-tab-content").children(".active")[0];
 }
 
 //마지막으로 열린 다이얼로그 영역을 반환한다.