diff --git a/src/components/md-deck/CardLayer.tsx b/src/components/md-deck/CardLayer.tsx
index 918216c..2772cfc 100644
--- a/src/components/md-deck/CardLayer.tsx
+++ b/src/components/md-deck/CardLayer.tsx
@@ -23,7 +23,7 @@ export function CardLayer(props: CardLayerProps) {
   const showBounds = () => props.store.state.isEditing;
 
   function renderLayerContent(content: string) {
-    const iconPath = resolvePath(props.store.state.cards.sourcePath, props.cardData.iconPath);
+    const iconPath = resolvePath(props.store.state.cards.sourcePath, props.cardData.iconPath ?? "./assets");
     return parseMarkdown(processVariables(content, props.cardData, props.store.state.cards), iconPath) as string;
   }
   return (