diff --git a/apps/web/src/app/vault/utils/collection-utils.spec.ts b/apps/web/src/app/vault/utils/collection-utils.spec.ts
index bf84b3155b..916ed8ff32 100644
--- a/apps/web/src/app/vault/utils/collection-utils.spec.ts
+++ b/apps/web/src/app/vault/utils/collection-utils.spec.ts
@@ -24,5 +24,16 @@ describe("CollectionUtils Service", () => {
       expect(result[0].node.name).toBe("Parent");
       expect(result[0].children[0].node.name).toBe("Child");
     });
+
+    it("should return an empty array if no collections are provided", () => {
+      // Arrange
+      const collections: CollectionView[] = [];
+
+      // Act
+      const result = getNestedCollectionTree(collections);
+
+      // Assert
+      expect(result).toEqual([]);
+    });
   });
 });
diff --git a/apps/web/src/app/vault/utils/collection-utils.ts b/apps/web/src/app/vault/utils/collection-utils.ts
index cb995fd8ff..b035c40f9f 100644
--- a/apps/web/src/app/vault/utils/collection-utils.ts
+++ b/apps/web/src/app/vault/utils/collection-utils.ts
@@ -14,6 +14,10 @@ export function getNestedCollectionTree(collections: CollectionView[]): TreeNode
 export function getNestedCollectionTree(
   collections: (CollectionView | CollectionAdminView)[],
 ): TreeNode<CollectionView | CollectionAdminView>[] {
+  if (!collections) {
+    return [];
+  }
+
   // Collections need to be cloned because ServiceUtils.nestedTraverse actively
   // modifies the names of collections.
   // These changes risk affecting collections store in StateService.