diff --git a/packages/@aws-cdk/aws-location-alpha/lib/map.ts b/packages/@aws-cdk/aws-location-alpha/lib/map.ts
index 79133aa8bcbee..6e4ea2fe3c517 100644
--- a/packages/@aws-cdk/aws-location-alpha/lib/map.ts
+++ b/packages/@aws-cdk/aws-location-alpha/lib/map.ts
@@ -299,7 +299,7 @@ export class Map extends MapBase {
   public readonly mapUpdateTime: string;
 
   constructor(scope: Construct, id: string, props: MapProps) {
-    if (props.description !== undefined && !Token.isUnresolved(props.description) && props.description.length > 1000) {
+    if (props.description && !Token.isUnresolved(props.description) && props.description.length > 1000) {
       throw new Error(`\`description\` must be between 0 and 1000 characters. Received: ${props.description.length} characters`);
     }