diff --git a/src/hooks/module/useModuleBasicSetting.js b/src/hooks/module/useModuleBasicSetting.js
index f1801ea2..fd8f3a12 100644
--- a/src/hooks/module/useModuleBasicSetting.js
+++ b/src/hooks/module/useModuleBasicSetting.js
@@ -2121,6 +2121,7 @@ export function useModuleBasicSetting(tabNum) {
         let calcModuleWidthCount = calcAreaWidth / (width + intvHor) //뺀 공간에서 모듈을 몇개를 넣을수 있는지 확인하는 로직
 
         let calcAreaHeight = flowLines.bottom.y1 - flowLines.top.y1
+        calcAreaHeight = isNaN(calcAreaHeight) ? moduleSetupSurface.height : calcAreaHeight
         let calcModuleHeightCount = calcAreaHeight / (height + intvVer)
 
         if (type === MODULE_SETUP_TYPE.LAYOUT) {