diff --git a/frontend/src/MessageAlert.tsx b/frontend/src/MessageAlert.tsx
index 915ef07b5..8666cf2b6 100644
--- a/frontend/src/MessageAlert.tsx
+++ b/frontend/src/MessageAlert.tsx
@@ -52,13 +52,11 @@ export default function MessageAlert({
   return (
     <Alert
       severity={severity}
-      sx={[
-        {
-          my: 2,
-          maxHeight: slimView ? '70px' : 'none',
-          maxWidth: slimView ? '250px' : 'none',
-        },
-      ]}
+      sx={{
+        my: 2,
+        maxHeight: slimView ? '70px' : 'none',
+        maxWidth: slimView ? '250px' : 'none',
+      }}
       ref={alertRef}
       data-test={dataTest}
     >