diff --git a/src/layer/BYOCLayer.ts b/src/layer/BYOCLayer.ts
index fde5cd96..280731a3 100644
--- a/src/layer/BYOCLayer.ts
+++ b/src/layer/BYOCLayer.ts
@@ -134,6 +134,7 @@ export class BYOCLayer extends AbstractSentinelHubV3Layer {
   public async getMap(params: GetMapParams, api: ApiType, reqConfig?: RequestConfiguration): Promise<Blob> {
     return await ensureTimeout(async (innerReqConfig) => {
       params = await this.decideJpegOrPng(params, innerReqConfig);
+      await this.fetchEvalscriptUrlIfNeeded(innerReqConfig);
       await this.updateLayerFromServiceIfNeeded(innerReqConfig);
       return await super.getMap(params, api, innerReqConfig);
     }, reqConfig);