diff --git a/app/static/css/table_editor.css b/app/static/css/table_editor.css
index d3fe5a0f3..32e33f2ed 100644
--- a/app/static/css/table_editor.css
+++ b/app/static/css/table_editor.css
@@ -35,7 +35,7 @@ body {
 .modifying{	outline: 2px dashed #c09; }
 .wait{		outline: 2px solid #c90; }
 .good{		outline: 2px solid #9c0; }
-
+.modified { font-weight: bold; color:indigo}
 /***************************/
 /* Message                 */
 /***************************/
diff --git a/app/static/js/table_editor.js b/app/static/js/table_editor.js
index c2ed4210a..cb50c1fea 100644
--- a/app/static/js/table_editor.js
+++ b/app/static/js/table_editor.js
@@ -19,6 +19,7 @@ function build_table(data) {
                 data-nbX="${cellule.nbX || 1}"
                 data-nbY="${cellule.nbY || 1}"
                 data-data="${cellule.data}"
+                data-orig="${cellule.data}"
                 style="
                     --x:${cellule.x};
                     --y:${cellule.y};
@@ -79,7 +80,7 @@ function modifCell(obj) {
 
 function key(event) {
     switch (event.key) {
-        case "Enter": modifCell(document.querySelector(".selected")); event.preventDefault(); break;
+        case "Enter": modifCell(document.querySelector(".selected")); event.preventDefault(); ArrowMove(1, 0); break;
         case "ArrowRight": ArrowMove(1, 0); break;
         case "ArrowLeft": ArrowMove(-1, 0); break;
         case "ArrowUp": ArrowMove(0, -1); break;
diff --git a/app/templates/pn/form_modules_ue_coefs.html b/app/templates/pn/form_modules_ue_coefs.html
index e8f671bd8..7c27f70c2 100644
--- a/app/templates/pn/form_modules_ue_coefs.html
+++ b/app/templates/pn/form_modules_ue_coefs.html
@@ -28,7 +28,7 @@
             if (value.length == 0) {
                 value = "0";
             }
-            if (!/^\d+$/.test(value)) {
+            if (!/^[\d.,]+$/.test(value)) {
                 message("Il est attendu un nombre");
                 return false;
             }
@@ -38,28 +38,30 @@
             obj.dataset.data = value;
             obj.classList.add("wait");
             // XXX DEBUG
-            console.log(`
-                x : ${getComputedStyle(obj).getPropertyValue("--x")}
-                y : ${getComputedStyle(obj).getPropertyValue("--y")}
-                data : ${value}
-                ue_id: ${obj.dataset.ue_id}
-                module_id : ${obj.dataset.module_id}
-            `);
+            // console.log(`
+            //     x : ${getComputedStyle(obj).getPropertyValue("--x")}
+            //     y : ${getComputedStyle(obj).getPropertyValue("--y")}
+            //     data : ${value}
+            //     ue_id: ${obj.dataset.ue_id}
+            //     module_id : ${obj.dataset.module_id}
+            // `);
             $.post("{{data_save}}",
                 {
-                    module_id: `${obj.dataset.module_id}`,
-                    ue_id: `${obj.dataset.ue_id}`,
-                    coef: `${value}`
+                    module_id: obj.dataset.module_id,
+                    ue_id: obj.dataset.ue_id,
+                    coef: value
                 },
                 function (result) {
-                    console.log("enregistré"); // XXX
                     obj.classList.remove("wait");
-                    obj.classList.add("good");
-                    // Lorsque les données sont bien enregistrés, on enlève 
+                    if (obj.dataset.orig != value)
+                        obj.classList.add("modified");
+                    else
+                        obj.classList.remove("modified");
+                    // Lorsque les données sont bien enregistrées, on enlève 
                     // l'indication que c'est bon au bout d'un temps
-                    setTimeout(() => {
-                        obj.classList.remove("good");
-                    }, 1000);
+                    //setTimeout(() => {
+                    //    obj.classList.remove("modified");
+                    //}, 1000);
                 }
             );
         }
diff --git a/app/views/pn_modules.py b/app/views/pn_modules.py
index 722bcd7ed..b93852096 100644
--- a/app/views/pn_modules.py
+++ b/app/views/pn_modules.py
@@ -93,8 +93,6 @@ def table_modules_ue_coefs(formation_id):
         {
             "x": col,
             "y": 1,  # 1ere ligne
-            "nbX": 1,
-            "nbY": 1,
             "style": "title_ue",
             "data": ue.acronyme,
             "title": ue.titre,
@@ -110,7 +108,7 @@ def table_modules_ue_coefs(formation_id):
                     "x": col,
                     "y": row,
                     "style": "champs",
-                    "data": df[ue.id][mod.id],
+                    "data": df[ue.id][mod.id] or "",
                     "editable": True,
                     "module_id": mod.id,
                     "ue_id": ue.id,