diff --git a/tools/autotest.py b/tools/autotest.py
index 79bd29dd..66728ec1 100755
--- a/tools/autotest.py
+++ b/tools/autotest.py
@@ -41,7 +41,7 @@ try:
 	wait.until(expected_conditions.presence_of_element_located((By.ID, 'content')))
 	driver.switch_to.frame(wait.until(expected_conditions.presence_of_element_located((By.ID, 'document'))))
 	# NoSuchShadowRootException
-	for i in range(5):
+	while True:
 		try:
 			tf_app = wait.until(expected_conditions.presence_of_element_located((By.TAG_NAME, 'tf-app'))).shadow_root
 			break