diff --git a/react/ChartwerkLinePod.tsx b/react/ChartwerkLinePod.tsx
index 0c418b1..30f2158 100644
--- a/react/ChartwerkLinePod.tsx
+++ b/react/ChartwerkLinePod.tsx
@@ -17,7 +17,7 @@ export type ChartwerkLinePodProps = {
 }
 
 export function ChartwerkLinePod(props: ChartwerkLinePodProps) {
-  
+
   const [pod, setPod] = useState<LinePod | null>(null);
   const [hack, setHack] = useState<number | null>(null);
 
@@ -47,8 +47,12 @@ export function ChartwerkLinePod(props: ChartwerkLinePodProps) {
       setPod(newPod);
       newPod.render();
     } else {
-      pod.updateMarkers(props.markersConf);
-      pod.updateSegments(props.segments);
+      if(props.markersConf) {
+        pod.updateMarkers(props.markersConf);
+      }
+      if(props.segments) {
+        pod.updateSegments(props.segments);
+      }
       // TODO: actually it's wrong logic with updates
       // because it creates new pod anyway
       pod.updateData(props.series, props.options);