diff --git a/src/common/Card.js b/src/common/Card.js
index 3b5686e..520560f 100644
--- a/src/common/Card.js
+++ b/src/common/Card.js
@@ -94,7 +94,7 @@ class Card {
   }
 
   renderGradient() {
-    if (typeof this.colors.bgColor !== "object") return;
+    if (typeof this.colors.bgColor !== "object") return "";
 
     const gradients = this.colors.bgColor.slice(1);
     return typeof this.colors.bgColor === "object"