diff --git a/geoportal-service/src/main/java/org/gcube/application/geoportal/service/rest/ProfiledDocuments.java b/geoportal-service/src/main/java/org/gcube/application/geoportal/service/rest/ProfiledDocuments.java
index a73f3ab..f0a8927 100644
--- a/geoportal-service/src/main/java/org/gcube/application/geoportal/service/rest/ProfiledDocuments.java
+++ b/geoportal-service/src/main/java/org/gcube/application/geoportal/service/rest/ProfiledDocuments.java
@@ -158,6 +158,8 @@ public class ProfiledDocuments {
     }
 
     @PUT
+    @Consumes(MediaType.APPLICATION_JSON)
+    @Produces(MediaType.APPLICATION_JSON)
     @Path("/"+InterfaceConstants.Methods.FORCE_UNLOCK+"/{"+InterfaceConstants.Parameters.PROJECT_ID+"}")
     public Project forceUnlock(
             @PathParam(InterfaceConstants.Parameters.PROJECT_ID) String id){
@@ -172,6 +174,8 @@ public class ProfiledDocuments {
     }
 
     @PUT
+    @Consumes(MediaType.APPLICATION_JSON)
+    @Produces(MediaType.APPLICATION_JSON)
     @Path("/"+InterfaceConstants.Methods.SET_PROJECT_ACCESS_POLICY+"/{"+InterfaceConstants.Parameters.PROJECT_ID+"}")
     public Project setAccessPolicy(
             @PathParam(InterfaceConstants.Parameters.PROJECT_ID) String id, Access toSet){