diff --git a/app/templates/scolar/partition_editor.j2 b/app/templates/scolar/partition_editor.j2
index 1dc92ad9e..a8f3b83b2 100644
--- a/app/templates/scolar/partition_editor.j2
+++ b/app/templates/scolar/partition_editor.j2
@@ -259,7 +259,7 @@
 			<span class="editing calendarEdit" title="${title_EDT}">📅</span>
 			<span class="editing suppr">❌</span>`;
 
-		if (title_EDT) {
+		if (groupe.edt_id) {
 			div.querySelector(".calendarEdit").classList.add("actif");
 		}
 
@@ -801,7 +801,7 @@
 
 		let btnGroupe = document.querySelector(`#zonePartitions .groupes [data-idgroupe="${idGroupe}"]`);
 		btnGroupe.dataset.idedt = id_EDT;
-		btnGroupe.querySelector(".calendarEdit").title = id_EDT || "";
+		btnGroupe.querySelector(".calendarEdit").title = `Identifiant EDT: ${id_EDT || this.parentElement.parentElement.querySelector("span").innerText}`;
 
 		if (id_EDT) {
 			btnGroupe.querySelector(".calendarEdit").classList.add("actif");