diff --git a/webpack/component/ue/manage.vue b/webpack/component/ue/manage.vue
index 3cc2671..c1786e6 100644
--- a/webpack/component/ue/manage.vue
+++ b/webpack/component/ue/manage.vue
@@ -21,7 +21,7 @@
 				v-for='(c,i) in gstore.manage.cours'
 				:data-id='c.idCours'>
 
-				<select v-model='c.idProf' @change='upd_prof(i)'>
+				<select v-model='c.new_prof' @change='gstore.upd_prof(0, i)'>
 					<option value='-1' v-show='c.idProf!=-1'>Aucun enseignant affecté</option>
 					<option v-for='p in gstore.manage.prof' :value='p.idProfesseur' v-show='p.idProfesseur!=c.idProf'>{{ `${p.firstName} ${p.lastName}` }}</option>
 				</select>
@@ -55,7 +55,7 @@
 				data-anim-incoming='1'
 				:data-anim-bounce='gstore.nav_anim.out?1:0'>
 
-				<select v-model='td.idProf' @change='upd_prof(i)'>
+				<select v-model='td.new_prof' @change='gstore.upd_prof(1, i)'>
 					<option value='-1' v-show='td.idProf!=-1'>Aucun enseignant affecté</option>
 					<option v-for='p in gstore.manage.prof' :value='p.idProfesseur' v-show='p.idProfesseur!=td.idProf'>{{ `${p.firstName} ${p.lastName}` }}</option>
 				</select>
@@ -89,7 +89,7 @@
 				data-anim-incoming='1'
 				:data-anim-bounce='gstore.nav_anim.out?1:0'>
 
-				<select v-model='tp.idProf' @change='upd_prof(i)'>
+				<select v-model='tp.new_prof' @change='gstore.upd_prof(2, i)'>
 					<option value='-1' v-show='tp.idProf!=-1'>Aucun enseignant affecté</option>
 					<option v-for='p in gstore.manage.prof' :value='p.idProfesseur' v-show='p.idProfesseur!=tp.idProf'>{{ `${p.firstName} ${p.lastName}` }}</option>
 				</select>
diff --git a/webpack/data/ue.js b/webpack/data/ue.js
index 62c2e73..1453a7a 100644
--- a/webpack/data/ue.js
+++ b/webpack/data/ue.js
@@ -591,6 +591,7 @@ gstore.add('load_ue_groups', function(code, recur=0){
 			for( var group of rs.groups ){
 				group.add_form = '-';
 				( group.idProf == null ) && ( group.idProf = -1 );
+				group.new_prof = group.idProf;
 				gstore.get.manage.cours.push( group );
 			}
 
@@ -618,6 +619,7 @@ gstore.add('load_ue_groups', function(code, recur=0){
 				for( var group of rs.groups ){
 					group.add_form = '-';
 					( group.idProf == null ) && ( group.idProf = -1 );
+					group.new_prof = group.idProf;
 					gstore.get.manage.td.push( group );
 				}
 
@@ -647,6 +649,7 @@ gstore.add('load_ue_groups', function(code, recur=0){
 				for( var group of rs.groups ){
 					group.add_form = '-';
 					( group.idProf == null ) && ( group.idProf = -1 );
+					group.new_prof = group.idProf;
 					gstore.get.manage.tp.push( group );
 				}
 
@@ -865,10 +868,10 @@ gstore.add('add_form', function(type, res_i){
 /* (12) Manage 'prof' for Cours|TD|T{}
 ---------------------------------------------------------*/
 /* (1) Update a prof (or unset) */
-gstore.add('upd_prof', function(type, id_res, id_form){
+gstore.add('upd_prof', function(type, res_i){
 
 	// 1. Check params types
-	if( isNaN(type) || isNaN(id_res) || isNaN(id_form) )
+	if( isNaN(type) || isNaN(res_i) )
 		return;
 
 	// 2. Check @type param
@@ -879,38 +882,39 @@ gstore.add('upd_prof', function(type, id_res, id_form){
 	var res  = [ 'cours', 'td', 'tp' ][type];
 	var resM = [ 'Cours', 'TD', 'TP' ][type];
 
-	// 4. Request to remove formation
-	api.call(`PUT ue/${res}/${id_res}`, { rem_form: [id_form] }, (rs) => {
+	// 4. Extract @resource from @res_i
+	var resource = gstore.get.manage[res][res_i];
 
-		// 4.1. Manage error
+	// 4- Manage unreachable resource
+	if( resource == null )
+		return;
+
+	// 5. Extract resource ID
+	var res_id = resource[`id${resM}`];
+
+	// 6. Extract <select> professor id
+	var new_prof_id = resource.new_prof;
+
+	// 7. Exit if not a number
+	if( isNaN(new_prof_id) )
+		return;
+
+	// 8. Exit if same value
+	if( new_prof_id == resource.idProf )
+		return;
+
+	// 9. Request to add formation
+	api.call(`PUT ue/${res}/${res_id}`, { idProf: parseInt(new_prof_id) }, (rs) => {
+
+		// 9.1. On error -> reset <select> to default value
 		if( rs.error !== 0 || rs.updated !== true )
-			return;
+			return ( resource.new_prof = resource.idProf );
 
-		// 4.2. Get reference of data in gstore (if Cours, TD, TP)
-		var local = gstore.get.manage[res];
-
-		// 4.3. Unset formation to remove from view
-		for( var c in local ){
-
-			// find ressource (cours|td|tp)
-			if( local[c][`id${resM}`] === id_res ){
-
-				// search for formation index
-				for( var f_index in local[c].formations ){
-
-					// if found -> remove by index
-					if( local[c].formations[f_index] === id_form ){
-						local[c].formations.splice(f_index, 1);
-						break;
-					}
-
-				}
-
-				break;
-			}
-
-		}
+		// 9.2. Update the prof data
+		resource.idProf = new_prof_id;
 
+		// 9.3. Update <select> VueJS if changed
+		resource.new_prof = new_prof_id;
 
 	});