diff --git a/src/clj/auto_ap/ssr/components/card.clj b/src/clj/auto_ap/ssr/components/card.clj
index 474bb89c..f8ef15f0 100644
--- a/src/clj/auto_ap/ssr/components/card.clj
+++ b/src/clj/auto_ap/ssr/components/card.clj
@@ -6,7 +6,7 @@
 (defn card- [params & children]
   (into [:div (update params :class 
                       #(cond-> (or % "")
-                         (not (str/includes? % "bg-")) (hh/add-class "dark:bg-gray-800 bg-white ")
+                         (not (str/includes? (or % "") "bg-")) (hh/add-class "dark:bg-gray-800 bg-white ")
                          true (hh/add-class "shadow-md sm:rounded-lg border-2 border-gray-200 dark:border-gray-900 overflow-hidden")))]
         children))