diff --git a/src/main/java/fr/la_banquise/backend/rest/InstanceEndpoints.java b/src/main/java/fr/la_banquise/backend/rest/InstanceEndpoints.java
index 2d7732b..260270e 100644
--- a/src/main/java/fr/la_banquise/backend/rest/InstanceEndpoints.java
+++ b/src/main/java/fr/la_banquise/backend/rest/InstanceEndpoints.java
@@ -112,6 +112,15 @@ public class InstanceEndpoints {
         return Response.ok(jiService.getStatusContainerInst(jiId, instId)).build();
     }
 
+    @GET
+    @RolesAllowed("ROOT")
+    @Path("/{id}/instance-owner")
+    public Response getOwnerInstance(@PathParam("id") Long jiId,
+                                       @QueryParam("instId") Long instId) {
+        // TODO : add securtiy if needed ?
+        return Response.ok(jiService.getOwnerInst(jiId, instId)).build();
+    }
+
     @GET
     @Authenticated
     @Path("/{id}/container")
diff --git a/src/main/java/fr/la_banquise/backend/services/JiService.java b/src/main/java/fr/la_banquise/backend/services/JiService.java
index 38a0f9b..f7cf486 100644
--- a/src/main/java/fr/la_banquise/backend/services/JiService.java
+++ b/src/main/java/fr/la_banquise/backend/services/JiService.java
@@ -144,6 +144,12 @@ public class JiService {
             return "Not created";
         return retour;
     }
+
+    public String getOwnerInst(Long jiId, Long instId) {
+        Instance instance = instanceService.getInstance(instId);
+        return instance.owner.name;
+    }
+
     public String getStatusContainers(Long jiId) {
         Ji ji = jiRepository.findById(jiId);
         String retour = "";
diff --git a/src/main/webui b/src/main/webui
index 014a476..e0b950f 160000
--- a/src/main/webui
+++ b/src/main/webui
@@ -1 +1 @@
-Subproject commit 014a476177062cbf8582033e84714b3adce2d517
+Subproject commit e0b950f1c4bccbc6fcfbda072e00a430c081338e