diff --git a/lib/screens/bookmarks/ui/bookmark_form_modal.dart b/lib/screens/bookmarks/ui/bookmark_form_modal.dart
index be9314f..1311dff 100644
--- a/lib/screens/bookmarks/ui/bookmark_form_modal.dart
+++ b/lib/screens/bookmarks/ui/bookmark_form_modal.dart
@@ -312,6 +312,7 @@ class _ModalContent extends ConsumerWidget {
                           controller: provider.tagsController,
                           onChanged: ref.read(bookmarkFormProvider.notifier).validateTagInput,
                           suggestions: tags.value?.content?.results?.map((t) => t.name!).toList() ?? [],
+                          textCapitalization: TextCapitalization.none,
                           decoration: InputDecoration(
                             border: const OutlineInputBorder(
                               borderRadius: BorderRadius.all(