diff --git a/sugoi-api-rest-services/src/main/java/fr/insee/sugoi/services/controller/GroupController.java b/sugoi-api-rest-services/src/main/java/fr/insee/sugoi/services/controller/GroupController.java
index 1f3365526..e524e62a2 100644
--- a/sugoi-api-rest-services/src/main/java/fr/insee/sugoi/services/controller/GroupController.java
+++ b/sugoi-api-rest-services/src/main/java/fr/insee/sugoi/services/controller/GroupController.java
@@ -17,8 +17,10 @@
 import fr.insee.sugoi.core.model.ProviderResponse;
 import fr.insee.sugoi.core.model.ProviderResponse.ProviderResponseStatus;
 import fr.insee.sugoi.core.model.SugoiUser;
+import fr.insee.sugoi.core.service.ApplicationService;
 import fr.insee.sugoi.core.service.GroupService;
 import fr.insee.sugoi.model.Group;
+import fr.insee.sugoi.model.exceptions.ApplicationNotFoundException;
 import fr.insee.sugoi.model.exceptions.IdNotMatchingException;
 import fr.insee.sugoi.model.paging.PageResult;
 import fr.insee.sugoi.model.paging.PageableResult;
@@ -67,6 +69,8 @@ public class GroupController {
 
   @Autowired private GroupService groupService;
 
+  @Autowired private ApplicationService applicationService;
+
   @GetMapping(
       path = {"/realms/{realm}/applications/{application}/groups"},
       produces = {MediaType.APPLICATION_JSON_VALUE})
@@ -111,8 +115,14 @@ public ResponseEntity<PageResult<Group>> getGroups(
     filterGroup.setName(name);
     filterGroup.setDescription(description);
     PageableResult pageableResult = new PageableResult(size, offset, searchCookie);
+    PageResult<Group> foundGroups = null;
+    try {
+      applicationService.findById(realm, applicationName);
 
-    PageResult<Group> foundGroups =
+    } catch (ApplicationNotFoundException e) {
+      return ResponseEntity.status(HttpStatus.NOT_FOUND).body(null);
+    }
+    foundGroups =
         groupService.findByProperties(realm, applicationName, filterGroup, pageableResult);
 
     if (foundGroups.isHasMoreResult()) {
diff --git a/sugoi-api-rest-services/src/test/java/fr/insee/sugoi/services/controller/GroupControllerTest.java b/sugoi-api-rest-services/src/test/java/fr/insee/sugoi/services/controller/GroupControllerTest.java
index 75fa001f6..adbd872b3 100644
--- a/sugoi-api-rest-services/src/test/java/fr/insee/sugoi/services/controller/GroupControllerTest.java
+++ b/sugoi-api-rest-services/src/test/java/fr/insee/sugoi/services/controller/GroupControllerTest.java
@@ -24,6 +24,7 @@
 import fr.insee.sugoi.commons.services.controller.technics.SugoiAdviceController;
 import fr.insee.sugoi.core.model.ProviderResponse;
 import fr.insee.sugoi.core.model.ProviderResponse.ProviderResponseStatus;
+import fr.insee.sugoi.core.service.ApplicationService;
 import fr.insee.sugoi.core.service.GroupService;
 import fr.insee.sugoi.model.Group;
 import fr.insee.sugoi.model.exceptions.GroupAlreadyExistException;
@@ -58,6 +59,8 @@ public class GroupControllerTest {
 
   @MockBean private GroupService groupService;
 
+  @MockBean private ApplicationService applicationService;
+
   ObjectMapper objectMapper = new ObjectMapper();
   Group group1, group2, group2Updated;
   PageResult<Group> pageResult;
diff --git a/sugoi-api-test/src/test/resources/scenario/group_scenario_sync.feature b/sugoi-api-test/src/test/resources/scenario/group_scenario_sync.feature
index 58b9ff252..2a9f725be 100644
--- a/sugoi-api-test/src/test/resources/scenario/group_scenario_sync.feature
+++ b/sugoi-api-test/src/test/resources/scenario/group_scenario_sync.feature
@@ -11,6 +11,10 @@ Feature: Groups scenario admin
         Then the client receives status code 200
         Then the client expect to receive a list of groups
 
+    Scenario: Get groups application not exist
+        When the client perform GET request on url /realms/domaine1/applications/non/groups
+         Then the client receives status code 404
+
     Scenario: Get group
         When the client perform GET request on url /realms/domaine1/applications/applitest/groups/Administrateurs_AppliTest
         And show body received
@@ -22,6 +26,10 @@ Feature: Groups scenario admin
         And show body received
         Then the client receives status code 200
 
+     Scenario: Get group application not exist
+        When the client perform GET request on url /realms/domaine1/applications/non/groups/Administrateurs_AppliTest
+        Then the client receives status code 404
+
     Scenario: Post group
         When the client perform POST request with body on url /realms/domaine1/applications/applitest/groups body:
             """