diff --git a/GraphsList.tsx b/GraphsList.tsx
index 52f9c9f..c7a1dd4 100644
--- a/GraphsList.tsx
+++ b/GraphsList.tsx
@@ -93,6 +93,7 @@ export default function GraphsList() {
             style={{ flex: 1 }}
             renderItem={renderItem}
             data={bests}
+            keyExtractor={(set) => set.name}
             onEndReached={next}
           />
         )}
diff --git a/StartPlan.tsx b/StartPlan.tsx
index 0b451d0..7bd7a5f 100644
--- a/StartPlan.tsx
+++ b/StartPlan.tsx
@@ -201,6 +201,7 @@ export default function StartPlan() {
           {counts && (
             <FlatList
               data={counts}
+              keyExtractor={(count) => count.name}
               renderItem={(props) => (
                 <View>
                   <StartPlanItem