diff --git a/core/modules/migrate_drupal_ui/tests/src/Functional/MigrateUpgradeTestBase.php b/core/modules/migrate_drupal_ui/tests/src/Functional/MigrateUpgradeTestBase.php
index 8496b115dd..67c769a69d 100644
--- a/core/modules/migrate_drupal_ui/tests/src/Functional/MigrateUpgradeTestBase.php
+++ b/core/modules/migrate_drupal_ui/tests/src/Functional/MigrateUpgradeTestBase.php
@@ -129,6 +129,19 @@ protected function translatePostValues(array $values) {
    *   An array of modules that will not be upgraded.
    */
   protected function assertUpgradePaths(WebAssert $session, array $available_paths, array $missing_paths) {
+    // Ensure that all available/missing are modules and not install profiles.
+    $system_info = system_get_info('module');
+    foreach ($available_paths as $available) {
+      if (isset($system_info[$available])) {
+        $this->assertEquals('module', $system_info[$available]['type']);
+      }
+    }
+    foreach ($missing_paths as $missing) {
+      if (isset($system_info[$missing])) {
+        $this->assertEquals('module', $system_info[$missing]['type']);
+      }
+    }
+
     // Test the available migration paths.
     foreach ($available_paths as $available) {
       $session->elementExists('xpath', "//span[contains(@class, 'checked') and text() = '$available']");