diff --git a/app/(tabs)/mapScreen.tsx b/app/(tabs)/mapScreen.tsx
index d49992b..9b4371b 100644
--- a/app/(tabs)/mapScreen.tsx
+++ b/app/(tabs)/mapScreen.tsx
@@ -42,12 +42,15 @@ const region = {
         style={styles.map}
         region={region}
       >
-        {chantiers.map(chantier => (
-        <Marker
-          key={chantier.id}
-          coordinate={{ latitude: chantier.latitude, longitude: chantier.longitude }}
-        />
-      ))}
+        {Array.isArray(chantiers) &&
+        chantiers.map(chantier => (
+          <Marker
+            key = {chantier.id}
+            coordinate={{ latitude: chantier.latitude, longitude: chantier.longitude }}
+            title={chantier.adresse}
+            description={chantier.etat}
+          />
+        ))}
       </ThemedMapView>
     </View>
   );