diff --git a/client/app/challenges-list.tsx b/client/app/challenges-list.tsx
index 633d35f..13a08fc 100644
--- a/client/app/challenges-list.tsx
+++ b/client/app/challenges-list.tsx
@@ -179,13 +179,13 @@ export default function ChallengesList() {
                 inputMode='numeric'
                 onChangeText={(text) => setEditChallengeReward(+text)}
                 error={!editChallengeReward}
-                onEndEditing={sendEditChallenge} />
+                onEndEditing={() => !addChallengeMutation.isPending && editChallengeMutation.isPending && sendEditChallenge()} />
           </Dialog.Content>
           <Dialog.Actions>
             <Button onPress={() => setEditChallengeVisible(false)}>Annuler</Button>
             <Button
                 onPress={sendEditChallenge}
-                disabled={!editChallengeTitle || !editChallengeDescription || !editChallengeReward}>
+                disabled={!editChallengeTitle || !editChallengeDescription || !editChallengeReward || addChallengeMutation.isPending || editChallengeMutation.isPending}>
               {editChallengeId ? "Modifier" : "Ajouter"}
             </Button>
           </Dialog.Actions>
@@ -199,7 +199,7 @@ export default function ChallengesList() {
           </Dialog.Content>
           <Dialog.Actions>
             <Button onPress={() => setConfirmDeleteVisible(false)}>Annuler</Button>
-            <Button onPress={sendDeleteChallenge}>Confirmer</Button>
+            <Button onPress={sendDeleteChallenge} disabled={deleteChallengeMutation.isPending}>Confirmer</Button>
           </Dialog.Actions>
         </Dialog>
       </Portal>