diff --git a/lib/report-portal-client.js b/lib/report-portal-client.js
index be95cee..813225a 100644
--- a/lib/report-portal-client.js
+++ b/lib/report-portal-client.js
@@ -319,6 +319,7 @@ class RPClient {
    *      "description": string,
    *      "mergeType": 'BASIC' | 'DEEP',
    *      "name": string
+   *      "mode": 'DEBUG' || 'DEFAULT',
    * }
    * Please, keep in mind that this method is work only in case
    * the option isLaunchMergeRequired is true.
@@ -332,7 +333,8 @@ class RPClient {
         'filter.in.uuid': launchUUIds,
         'page.size': launchUUIds.length,
       });
-      const launchSearchUrl = `launch?${params.toString()}`;
+      const launchSearchUrl = mergeOptions.mode === 'DEBUG' || this.config.mode === 'DEBUG' ? 
+         `launch/mode?${params.toString()}` : `launch?${params.toString()}`;
       this.logDebug(`Find launches with UUIDs to merge: ${launchUUIds}`);
       return this.restClient
         .retrieveSyncAPI(launchSearchUrl, { headers: this.headers })