diff --git a/backend/web/server/plugins/aftral-lms/block.js b/backend/web/server/plugins/aftral-lms/block.js
index 470489c7b4..9f8a928d9c 100644
--- a/backend/web/server/plugins/aftral-lms/block.js
+++ b/backend/web/server/plugins/aftral-lms/block.js
@@ -308,23 +308,28 @@ getSession = async (userId, params, data) => {
 
 const getBlockLiked = async (userId, params, data) => {
   const user = await User.findById(userId, {role:1})
+  const template = await getTemplate(data._id)
+  console.log(template,'****************')
   if(user.role == ROLE_CONCEPTEUR) {
-    return data.likes.length > 0
+    return template.likes.length > 0
   }
-  return data.likes.some(like => idEqual(like._id, userId))
+  return template.likes.some(like => idEqual(like, userId))
 }
 
 const getBlockDisliked = async (userId, params, data) => {
   const user = await User.findById(userId, {role:1})
+  const template = await getTemplate(data._id)
+  console.log(template,'----------------')
   if(user.role == ROLE_CONCEPTEUR) {
-    return data.dislikes.length > 0
+    return template.dislikes.length > 0
   }
-  return data.dislikes.some(dislike => idEqual(dislike._id, userId))
+  return template.dislikes.some(dislike => idEqual(dislike, userId))
 }
 
-const setBlockLiked = ({ id, attribute, value, user }) => {
+const setBlockLiked = async ({ id, attribute, value, user }) => {
+  const templateId = await getTemplate(id)
   if(value) {
-    return mongoose.models['resource'].findByIdAndUpdate(id,
+    return mongoose.models['block'].findByIdAndUpdate(templateId,
       {
         $pull: {
           dislikes: user._id
@@ -336,14 +341,15 @@ const setBlockLiked = ({ id, attribute, value, user }) => {
     )
   }
   else{
-    return mongoose.models['resource'].findByIdAndUpdate(id,
+    return mongoose.models['block'].findByIdAndUpdate(templateId,
       {$pull: {likes: user._id}})
   }
 }
 
-const setBlockDisliked = ({ id, attribute, value, user }) => { 
+const setBlockDisliked = async ({ id, attribute, value, user }) => {
+  const templateId = await getTemplate(id)
   if(value) {
-    return mongoose.models['block'].findByIdAndUpdate(id,
+    return mongoose.models['block'].findByIdAndUpdate(templateId,
       {
         $pull: {
           likes: user._id
@@ -355,11 +361,21 @@ const setBlockDisliked = ({ id, attribute, value, user }) => {
     )
   }
   else{
-    return mongoose.models['block'].findByIdAndUpdate(id,
+    return mongoose.models['block'].findByIdAndUpdate(templateId,
       {$pull: {dislikes: user._id}})
   }
 }
 
+const getTemplate = async(id) => {
+  let currentBlock = await mongoose.models.block.find({_id:id},{origin:1, likes:1, dislikes:1})
+  let currentOrigin = currentBlock.origin
+  while(currentOrigin) {
+    currentBlock = await mongoose.models.block.find({_id:currentOrigin},{origin:1, likes:1, dislikes:1})
+    currentOrigin = currentBlock.origin
+  }
+  return currentBlock
+}
+
 module.exports={
   getBlockStatus, getBlockName, getSessionBlocks, setParentSession, 
   cloneTree, getAttribute, LINKED_ATTRIBUTES, onBlockFinished, onBlockCurrent, onBlockAction,
diff --git a/backend/web/server/plugins/aftral-lms/functions.js b/backend/web/server/plugins/aftral-lms/functions.js
index a03e72c3dd..c20dfe8642 100644
--- a/backend/web/server/plugins/aftral-lms/functions.js
+++ b/backend/web/server/plugins/aftral-lms/functions.js
@@ -81,8 +81,8 @@ BLOCK_MODELS.forEach(model => {
   declareVirtualField({model, field: 'likes_count', instance: 'Number', requires:'likes'})
   declareVirtualField({model, field: 'dislikes_count', instance: 'Number', requires:'dislikes'})
 
-  declareComputedField({model, field: 'liked', getterFn: getBlockLiked, setterFn: setBlockLiked, requires:'likes'})
-  declareComputedField({model, field: 'disliked', getterFn: getBlockDisliked, setterFn: setBlockDisliked, requires:'dislikes'})
+  declareComputedField({model, field: 'liked', getterFn: getBlockLiked, setterFn: setBlockLiked, requires:'likes,origin'})
+  declareComputedField({model, field: 'disliked', getterFn: getBlockDisliked, setterFn: setBlockDisliked, requires:'dislikes,origin'})
 })
 
 declareEnumField({model: 'homework', field: 'scale', enumValues: SCALE})