diff --git a/admin/capabilities/class-register-capabilities.php b/admin/capabilities/class-register-capabilities.php
index 6cf248d8f79..04aee8c0e0a 100644
--- a/admin/capabilities/class-register-capabilities.php
+++ b/admin/capabilities/class-register-capabilities.php
@@ -96,6 +96,10 @@ public function map_meta_cap_for_seo_manager( $caps, $cap ) {
 			return $caps;
 		}
 
+		if ( ! is_array( $user->roles ) ) {
+			return $caps;
+		}
+
 		// User must be of role wpseo_manager.
 		if ( ! in_array( 'wpseo_manager', $user->roles, true ) ) {
 			return $caps;