diff --git a/src/View/HydraulicStructures/PlotAC.py b/src/View/HydraulicStructures/PlotAC.py
index d8b81974d612933f8c226ab4cc2c2553068641b2..710b5af71764f5b331167557f395544606f8d7d3 100644
--- a/src/View/HydraulicStructures/PlotAC.py
+++ b/src/View/HydraulicStructures/PlotAC.py
@@ -118,6 +118,9 @@ class PlotAC(PamhyrPlot):
 
         self.line_kp.set_data(x, z)
 
+    def clear(self):
+        self.update_clear()
+
     def update_clear(self):
         if self.line_kp is not None:
             self.line_kp.set_data([], [])
diff --git a/src/View/HydraulicStructures/PlotKPC.py b/src/View/HydraulicStructures/PlotKPC.py
index 961f0a81ec880fd830d79344d11627d00b7d1742..a50c1cb4cbcadf2af80b49028ae05f8ccf4c4810 100644
--- a/src/View/HydraulicStructures/PlotKPC.py
+++ b/src/View/HydraulicStructures/PlotKPC.py
@@ -147,7 +147,7 @@ class PlotKPC(PamhyrPlot):
 
     def clear(self):
         if self.profile is not None:
-            self.profile.set_data([], [])
+            self.profile[0].set_data([], [])
 
         if self.line_kp_zmin_zmax is not None:
             self.line_kp_zmin_zmax.remove()