diff --git a/includes/menus.inc b/includes/menus.inc
index 66ffcce..ec1b799 100644
--- a/includes/menus.inc
+++ b/includes/menus.inc
@@ -37,7 +37,7 @@ function uswds_theme_suggestions_block_alter(array &$suggestions, array $variabl
         'footer_menu',
       ];
       if (
-        is_object($block) && property_exists($block, 'getRegion') &&
+        is_object($block) && method_exists($block, 'getRegion') &&
         in_array($block->getRegion(), $menu_regions) &&
         _uswds_process_menu_region($block->getRegion())
       ) {