diff --git a/apps/spreadsheeteditor/sdk_dev_scripts.js b/apps/spreadsheeteditor/sdk_dev_scripts.js
index efedf8018..8d31b6a46 100644
--- a/apps/spreadsheeteditor/sdk_dev_scripts.js
+++ b/apps/spreadsheeteditor/sdk_dev_scripts.js
@@ -111,6 +111,7 @@ var sdk_dev_scrpipts = [
 	"../../../../sdkjs/cell/model/Serialize.js",
 	"../../../../sdkjs/cell/model/ConditionalFormatting.js",
 	"../../../../sdkjs/cell/model/DataValidation.js",
+	"../../../../sdkjs/cell/model/HeaderFooter.js",
 	"../../../../sdkjs/cell/model/CellInfo.js",
 	"../../../../sdkjs/cell/view/mobileTouch.js",
 	"../../../../sdkjs/cell/view/StringRender.js",