diff --git a/src/View/Results/PlotRKC.py b/src/View/Results/PlotRKC.py
index 8f8ad662..f664076a 100644
--- a/src/View/Results/PlotRKC.py
+++ b/src/View/Results/PlotRKC.py
@@ -125,7 +125,7 @@ class PlotRKC(PamhyrPlot):
         )
 
         for hs in lhs:
-            x = hs.input_rk
+            x = hs.input_section.rk
             z_min = reach.geometry.get_z_min()
             z_max = reach.geometry.get_z_max()