diff --git a/server/routes/api/documents.js b/server/routes/api/documents.js
index 70eabae5..a10dc7ee 100644
--- a/server/routes/api/documents.js
+++ b/server/routes/api/documents.js
@@ -1038,11 +1038,14 @@ router.post("documents.update", auth(), async (ctx) => {
   if (editorVersion) document.editorVersion = editorVersion;
   if (templateId) document.templateId = templateId;
 
-  if (append) {
-    document.text += text;
-  } else if (text !== undefined) {
-    document.text = text;
+  if (!user.team?.collaborativeEditing) {
+    if (append) {
+      document.text += text;
+    } else if (text !== undefined) {
+      document.text = text;
+    }
   }
+
   document.lastModifiedById = user.id;
   const { collection } = document;