diff --git a/src/panels/lovelace/cards/hui-markdown-card.ts b/src/panels/lovelace/cards/hui-markdown-card.ts
index 77cb23f734..9e6883fc94 100644
--- a/src/panels/lovelace/cards/hui-markdown-card.ts
+++ b/src/panels/lovelace/cards/hui-markdown-card.ts
@@ -135,7 +135,7 @@ export class HuiMarkdownCard extends LitElement implements LovelaceCard {
       this._tryConnect();
     }
     const shouldBeHidden =
-      this._templateResult &&
+      !!this._templateResult &&
       this._config.show_empty === false &&
       this._templateResult.result.length === 0;
     if (shouldBeHidden !== this.hidden) {