diff --git a/src/main/scala/gitbucket/core/controller/ApiController.scala b/src/main/scala/gitbucket/core/controller/ApiController.scala
index 1cf08af..291140a 100644
--- a/src/main/scala/gitbucket/core/controller/ApiController.scala
+++ b/src/main/scala/gitbucket/core/controller/ApiController.scala
@@ -18,6 +18,7 @@
     with ApiRepositoryBranchControllerBase
     with ApiRepositoryCollaboratorControllerBase
     with ApiRepositoryCommitControllerBase
+    with ApiRepositoryContentsControllerBase
     with ApiRepositoryControllerBase
     with ApiRepositoryStatusControllerBase
     with ApiUserControllerBase