diff --git a/djx/src/main/ts/tsx/traits.ts b/djx/src/main/ts/tsx/traits.ts
--- a/djx/src/main/ts/tsx/traits.ts
+++ b/djx/src/main/ts/tsx/traits.ts
@@ -63,7 +63,7 @@ export function isWidget(v: any): v is _
 }
 
 export function isRendition(v: any): v is Rendition {
-    return typeof v && typeof v.getDomElement === "function";
+    return v && typeof v.getDomElement === "function";
 }
 
 /**