diff --git a/src/lib/utils/resolve-button-type.ts b/src/lib/utils/resolve-button-type.ts
index a1037ee..b670e3a 100644
--- a/src/lib/utils/resolve-button-type.ts
+++ b/src/lib/utils/resolve-button-type.ts
@@ -7,6 +7,6 @@ export function resolveButtonType(
   let tag = props.as ?? "button";
   if (typeof tag === "string" && tag.toLowerCase() === "button")
     return "button";
-  if (ref instanceof HTMLButtonElement) return "button";
+  if (ref && ref instanceof HTMLButtonElement) return "button";
   return undefined;
 }