diff --git a/server/model/maintenance.js b/server/model/maintenance.js
index 82e8f2da2..d3314d3f8 100644
--- a/server/model/maintenance.js
+++ b/server/model/maintenance.js
@@ -159,8 +159,9 @@ class Maintenance extends BeanModel {
 
         if (obj.dateRange[0]) {
             const parsedDate = new Date(obj.dateRange[0]);
-            if (isNaN(parsedDate.getTime()) || parsedDate.getFullYear() > 9999)
+            if (isNaN(parsedDate.getTime()) || parsedDate.getFullYear() > 9999) {
                 throw new Error("Invalid start date");
+            }
 
             bean.start_date = obj.dateRange[0];
         } else {
@@ -169,8 +170,9 @@ class Maintenance extends BeanModel {
 
         if (obj.dateRange[1]) {
             const parsedDate = new Date(obj.dateRange[1]);
-            if (isNaN(parsedDate.getTime()) || parsedDate.getFullYear() > 9999)
+            if (isNaN(parsedDate.getTime()) || parsedDate.getFullYear() > 9999) {
                 throw new Error("Invalid end date");
+            }
 
             bean.end_date = obj.dateRange[1];
         } else {