diff --git a/lib/l10n/app_en.arb b/lib/l10n/app_en.arb
index 20069d5b..bbe891c3 100644
--- a/lib/l10n/app_en.arb
+++ b/lib/l10n/app_en.arb
@@ -13,6 +13,7 @@
   "refreshAuth": "Refresh login",
   "totpToken": "TOTP Token (if needed)",
   "cancel": "Cancel",
+  "okay": "Okay",
   "rename": "Rename",
   "replace": "Replace",
   "continue_": "Continue",
diff --git a/lib/src/widgets/tags/tag_editor.dart b/lib/src/widgets/tags/tag_editor.dart
index c5b2f8c4..d98575b0 100644
--- a/lib/src/widgets/tags/tag_editor.dart
+++ b/lib/src/widgets/tags/tag_editor.dart
@@ -111,14 +111,32 @@ class _TagEditorState extends State<TagEditor> {
                   padding: const EdgeInsets.only(right: 8),
                   child: FilledButton(
                     onPressed: () async {
-                      final tag = await ac.setTag(
-                        Tag(
-                          id: widget.tag.id,
-                          tag: _tagController.text,
-                          backgroundColor: _backgroundColor,
-                          textColor: _textColor,
-                        ),
-                      );
+                      Tag tag;
+                      try {
+                        tag = await ac.setTag(
+                          Tag(
+                            id: widget.tag.id,
+                            tag: _tagController.text,
+                            backgroundColor: _backgroundColor,
+                            textColor: _textColor,
+                          ),
+                        );
+                      } catch (err) {
+                        if (!context.mounted) return;
+                        await showDialog(
+                          context: context,
+                          builder: (context) => AlertDialog(
+                            title: Text(l(context).tags_exist),
+                            actions: [
+                              OutlinedButton(
+                                onPressed: () => Navigator.pop(context),
+                                child: Text(l(context).okay),
+                              ),
+                            ],
+                          ),
+                        );
+                        return;
+                      }
                       widget.onUpdate(tag);
                       if (!context.mounted) return;
                       Navigator.pop(context);