diff --git a/src/services/Issues.ts b/src/services/Issues.ts
index 48c20d9a..14742f5b 100644
--- a/src/services/Issues.ts
+++ b/src/services/Issues.ts
@@ -30,7 +30,7 @@ class Issues extends BaseService {
     projectId,
     groupId,
     ...options
-  }: ({ projectId: ProjectId } | { groupId: GroupId } | {}) & PaginatedRequestOptions) {
+  }?: ({ projectId?: ProjectId } | { groupId?: GroupId } | {}) & PaginatedRequestOptions) {
     let url;
 
     if (projectId) {
diff --git a/test/integration/services/Issues.ts b/test/integration/services/Issues.ts
index 085c8f33..874d434c 100644
--- a/test/integration/services/Issues.ts
+++ b/test/integration/services/Issues.ts
@@ -31,6 +31,8 @@ describe('Issues.create', () => {
 
     expect(issue1).toBeInstanceOf(Object);
     expect(issue1.title).toBe('Issue Integration test1');
+    expect(issue2).toBeInstanceOf(Object);
+    expect(issue2.title).toBe('Issue Integration test2');
   });
 });