diff --git a/apps/web/src/app/(portal)/admin/modules/grants/page.tsx b/apps/web/src/app/(portal)/admin/modules/grants/page.tsx
index 4fabfcb..a271cb9 100644
--- a/apps/web/src/app/(portal)/admin/modules/grants/page.tsx
+++ b/apps/web/src/app/(portal)/admin/modules/grants/page.tsx
@@ -16,6 +16,7 @@ interface Module {
 interface Group {
   id: string;
   name: string;
+  internalName?: string | null;
 }
 
 interface GrantPair {
@@ -138,7 +139,10 @@ export default function AdminModuleGrantsPage() {
     [modules, searchLower],
   );
   const filteredGroups = useMemo(
-    () => groups.filter((g) => matches(g.name)),
+    // Matches both the display name (internalName ?? name) and the stored
+    // AD name — a search for either the internal or the AD-original name
+    // must find the group (D-04).
+    () => groups.filter((g) => matches(g.internalName ?? g.name) || matches(g.name)),
     // eslint-disable-next-line react-hooks/exhaustive-deps
     [groups, searchLower],
   );
@@ -206,10 +210,10 @@ export default function AdminModuleGrantsPage() {
                   {filteredGroups.map((g) => (
                     <th
                       key={g.id}
-                      title={g.name}
+                      title={g.internalName ?? g.name}
                       className="sticky top-0 z-10 min-w-[120px] max-w-[160px] truncate border-b border-border bg-card px-4 py-3 text-left text-xs font-medium text-muted-foreground"
                     >
-                      {g.name}
+                      {g.internalName ?? g.name}
                     </th>
                   ))}
                 </tr>