diff --git a/packages/react-dom/src/client/ReactDOM.js b/packages/react-dom/src/client/ReactDOM.js
index ffd34d6e48..1d43d2e6ed 100644
--- a/packages/react-dom/src/client/ReactDOM.js
+++ b/packages/react-dom/src/client/ReactDOM.js
@@ -772,9 +772,11 @@ type RootOptions = {
 };
 
 function createRoot(container: DOMContainer, options?: RootOptions): ReactRoot {
+  const functionName = enableStableConcurrentModeAPIs ? 'createRoot' : 'unstable_createRoot';
   invariant(
     isValidContainer(container),
-    'unstable_createRoot(...): Target container is not a DOM element.',
+    '%s(...): Target container is not a DOM element.',
+    functionName,
   );
   const hydrate = options != null && options.hydrate === true;
   return new ReactRoot(container, true, hydrate);