diff --git a/src/components/SystemUseWarningOverlay/OverlayWindow.tsx b/src/components/SystemUseWarningOverlay/OverlayWindow.tsx
index b4dceb9b..bb83caa6 100644
--- a/src/components/SystemUseWarningOverlay/OverlayWindow.tsx
+++ b/src/components/SystemUseWarningOverlay/OverlayWindow.tsx
@@ -149,23 +149,24 @@ const OverlayWindow = () => {
 
   const handleClose = () => {
     setOpen(false);
-    sessionStorage.setItem('overlayLoad', 'true');
+    document.cookie = 'overlayLoad=true; path=/';
   };
 
   useEffect(() => {
-    if (!sessionStorage.length) {
+    if (document.cookie.indexOf('overlayLoad') === -1) {
       setOpen(true);
     }
   }, [open]);
 
-    const content = text.content.map((item, index) => {
-        const textKey = `key_${index}`;
-        return (
-          <DialogContentText key={textKey} id="alert-dialog-description">
-            {item}
-          </DialogContentText>
-        );
-    });
+  const content = text.content.map((item, index) => {
+      const textKey = `key_${index}`;
+      return (
+        <DialogContentText key={textKey} id="alert-dialog-description">
+          {item}
+        </DialogContentText>
+      );
+  });
+
   const list = text.list.map((item, index) => {
     const listKey = `key_${index}`;
     return (
@@ -177,8 +178,8 @@ const OverlayWindow = () => {
           {item}
         </ListItemText>
       </ListItem>
-  );
-});
+    );
+  });
 
   return (
     <ThemeProvider theme={theme}>