diff --git a/ts/editor/TagEditor.svelte b/ts/editor/TagEditor.svelte
index ad111a320..16f442283 100644
--- a/ts/editor/TagEditor.svelte
+++ b/ts/editor/TagEditor.svelte
@@ -48,7 +48,9 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
     let activeInput: HTMLInputElement;
 
     let autocomplete: any;
-    let suggestionsPromise: Promise<string[]> = Promise.resolve([]);
+
+    const noSuggestions = Promise.resolve([]);
+    let suggestionsPromise: Promise<string[]> = noSuggestions;
 
     async function fetchSuggestions(input: string): Promise<string[]> {
         const data = await postRequest(
@@ -63,10 +65,14 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
 
     function updateSuggestions(): void {
         const activeTag = tags[active!];
+        const activeName = activeTag.name;
 
-        suggestionsPromise = fetchSuggestions(activeTag.name).then(
-            (names: string[]): string[] => names.map(replaceWithUnicodeSeparator)
-        );
+        suggestionsPromise =
+            activeName.length === 0
+                ? noSuggestions
+                : fetchSuggestions(activeTag.name).then((names: string[]): string[] =>
+                      names.map(replaceWithUnicodeSeparator)
+                  );
     }
 
     function onAutocomplete(selected: string): void {
diff --git a/ts/editor/WithAutocomplete.svelte b/ts/editor/WithAutocomplete.svelte
index 6ca16b3dd..f1dd4345e 100644
--- a/ts/editor/WithAutocomplete.svelte
+++ b/ts/editor/WithAutocomplete.svelte
@@ -83,10 +83,10 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
     async function chooseSelected() {
         active = true;
         dispatch("choose", { chosen: suggestionsItems[selected ?? -1] });
+        await tick();
     }
 
     async function update() {
-        dropdown = dropdown as Dropdown;
         dropdown.update();
         await tick();
 
@@ -97,6 +97,10 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
         return selected !== null;
     }
 
+    function disable(): void {
+        disabled = true;
+    }
+
     const createAutocomplete =
         (createDropdown: (element: HTMLElement) => Dropdown) =>
         (element: HTMLElement): any => {
@@ -110,8 +114,9 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
                 selectPrevious,
                 selectNext,
                 chooseSelected,
-                hasSelected,
                 update,
+                hasSelected,
+                disable,
             };
 
             return api;