diff --git a/MoneyMap/Pages/CategoryMappings.cshtml b/MoneyMap/Pages/CategoryMappings.cshtml
index a6ba96c..e83c5c0 100644
--- a/MoneyMap/Pages/CategoryMappings.cshtml
+++ b/MoneyMap/Pages/CategoryMappings.cshtml
@@ -181,7 +181,7 @@ else
 
                     <div class="mb-3">
                         <label for="addPattern" class="form-label">Pattern</label>
-                        <input name="model.Pattern" id="addPattern" class="form-control" placeholder="e.g., TARGET.COM" />
+                        <input name="model.Pattern" id="addPattern" class="form-control" placeholder="e.g., TARGET.COM" required />
                     </div>
 
                     <div class="mb-3">
@@ -229,7 +229,7 @@ else
 
                     <div class="mb-3">
                         <label for="editPattern" class="form-label">Pattern</label>
-                        <input name="model.Pattern" id="editPattern" class="form-control" />
+                        <input name="model.Pattern" id="editPattern" class="form-control" required />
                     </div>
 
                     <div class="mb-3">