diff --git a/src/modules/template/editorWindow.ts b/src/modules/template/editorWindow.ts
index 42abb7a..282fa03 100644
--- a/src/modules/template/editorWindow.ts
+++ b/src/modules/template/editorWindow.ts
@@ -184,10 +184,14 @@ async function updatePreview() {
   const win = addon.data.templateEditor.window;
   const container = win?.document.getElementById("preview-container");
   if (container) {
-    container.innerHTML = "";
-    container.appendChild(
-      ztoolkit.getDOMParser().parseFromString(html, "text/html").body
-    );
+    if (ztoolkit.isZotero7()) {
+      container.innerHTML = html;
+    } else {
+      container.innerHTML = "";
+      container.appendChild(
+        ztoolkit.getDOMParser().parseFromString(html, "text/html").body
+      );
+    }
   }
 }
 
diff --git a/src/modules/template/preview.ts b/src/modules/template/preview.ts
index 4046d9e..b3c688e 100644
--- a/src/modules/template/preview.ts
+++ b/src/modules/template/preview.ts
@@ -8,7 +8,7 @@ async function renderTemplatePreview(
   inputItems?: Zotero.Item[]
 ): Promise<string> {
   let html: string = "<p>Preview rendering failed</p>";
-  if (inputItems) {
+  if (!inputItems) {
     inputItems = ZoteroPane.getSelectedItems();
   }
   if (templateName.startsWith("[Text]")) {