diff --git a/src/modules/template/picker.ts b/src/modules/template/picker.ts
index 02578ad..bd58afc 100644
--- a/src/modules/template/picker.ts
+++ b/src/modules/template/picker.ts
@@ -80,7 +80,7 @@ async function insertTemplateCallback(name: string) {
     addon.data.templatePicker.data.noteId || addon.data.workspace.mainId
   );
   let html = "";
-  if (name.startsWith("[Item]")) {
+  if (name.toLowerCase().startsWith("[item]")) {
     html = await addon.api.template.runItemTemplate(name, {
       targetNoteId: targetNoteItem.id,
     });
diff --git a/src/modules/template/preview.ts b/src/modules/template/preview.ts
index 7dbf49c..0d752dc 100644
--- a/src/modules/template/preview.ts
+++ b/src/modules/template/preview.ts
@@ -11,11 +11,11 @@ async function renderTemplatePreview(
   if (!inputItems) {
     inputItems = ZoteroPane.getSelectedItems();
   }
-  if (templateName.startsWith("[Text]")) {
+  if (templateName.toLowerCase().startsWith("[text]")) {
     html = await addon.api.template.runTextTemplate(templateName, {
       dryRun: true,
     });
-  } else if (templateName.startsWith("[Item]")) {
+  } else if (templateName.toLowerCase().startsWith("[item]")) {
     const data = inputItems?.map((item) => item.id);
     html = await addon.api.template.runItemTemplate(templateName, {
       itemIds: data,