diff --git a/plinth/tests/functional/__init__.py b/plinth/tests/functional/__init__.py
index c0ecaa4ea..2886b418c 100644
--- a/plinth/tests/functional/__init__.py
+++ b/plinth/tests/functional/__init__.py
@@ -297,6 +297,8 @@ def install(browser, app_name):
             time.sleep(0.1)
         elif browser.is_element_present_by_css('.neterror'):
             browser.visit(browser.url)
+        elif browser.is_element_present_by_css('.alert-danger'):
+            break
         elif browser.is_element_present_by_css(install_button_css):
             install_button = browser.find_by_css(install_button_css).first
             if install_button['disabled']: