1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/action_process_upload.c b/src/lib/action_process_upload.c
index 33221486..cafd5d3c 100644
--- a/src/lib/action_process_upload.c
+++ b/src/lib/action_process_upload.c
@@ -73,7 +73,7 @@ upload_action (void *cls,
  * @return NULL on error (out of memory)
  * @ingroup action
  */
-struct MHD_Action *
+const struct MHD_Action *
 MHD_action_process_upload (MHD_UploadCallback uc,
                            void *uc_cls)
 {