diff --git a/src/api.ts b/src/api.ts
index 2757d087..108eac73 100644
--- a/src/api.ts
+++ b/src/api.ts
@@ -374,7 +374,7 @@ export class Api {
    * @param projectId ID of the project the merge request belongs to
    * @param mergeRequestIid IID of the merge request
    */
-  public getMergeRequestDiscussions(projectId: number, mergeRequestIid: number): Promise<Discussion> {
+  public getMergeRequestDiscussions(projectId: number, mergeRequestIid: number): Promise<Discussion[]> {
     return this.makeGitLabAPIRequest(
       `projects/${projectId}/merge_requests/${mergeRequestIid}/discussions`,
     );