diff --git a/dist/index.js b/dist/index.js
index 14193bf589..0a288f4533 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -988,7 +988,7 @@ class GitHubHelper {
             // Apply assignees
             if (inputs.assignees.length > 0) {
                 core.info(`Applying assignees '${inputs.assignees}'`);
-                yield this.octokit.issues.addAssignees(Object.assign(Object.assign({}, this.parseRepository(baseRepository)), { issue_number: pull.number, labels: inputs.assignees }));
+                yield this.octokit.issues.addAssignees(Object.assign(Object.assign({}, this.parseRepository(baseRepository)), { issue_number: pull.number, assignees: inputs.assignees }));
             }
             // Request reviewers and team reviewers
             const requestReviewersParams = {};
diff --git a/src/github-helper.ts b/src/github-helper.ts
index b9f18637cc..4debadc9c5 100644
--- a/src/github-helper.ts
+++ b/src/github-helper.ts
@@ -141,7 +141,7 @@ export class GitHubHelper {
       await this.octokit.issues.addAssignees({
         ...this.parseRepository(baseRepository),
         issue_number: pull.number,
-        labels: inputs.assignees
+        assignees: inputs.assignees
       })
     }