diff --git a/src/View/HydraulicStructures/PlotRKC.py b/src/View/HydraulicStructures/PlotRKC.py
index 85bdd8ff..ec678482 100644
--- a/src/View/HydraulicStructures/PlotRKC.py
+++ b/src/View/HydraulicStructures/PlotRKC.py
@@ -52,6 +52,7 @@ class PlotRKC(PamhyrPlot):
         self._auto_relim_update = True
         self._autoscale_update = True
         self.parent = parent
+        self.anotate_lst = []
 
     @property
     def river(self):