diff --git a/src/View/Results/PlotAC.py b/src/View/Results/PlotAC.py
index d3b9eb26..8531c4ad 100644
--- a/src/View/Results/PlotAC.py
+++ b/src/View/Results/PlotAC.py
@@ -149,8 +149,17 @@ class PlotAC(PamhyrPlot):
         self.annotation = []
         self.cgl, self.igl = reach.geometry.compute_guidelines()
 
-        lcomplete = list(self.cgl)
-        lincomplete = list(self.igl)
+        # we make sure that the lines are in the left-to-right order
+        lcomplete = [
+            x.name
+            for x in profile.geometry.named_points()
+            if x.name in self.cgl
+        ]
+        lincomplete = [
+            x.name
+            for x in profile.geometry.named_points()
+            if x.name in self.igl
+        ]
 
         self.color_complete_gl = self.colors
         self.color_incomplete_gl = 2 * ["grey"]
@@ -170,7 +179,7 @@ class PlotAC(PamhyrPlot):
                 ]
             else:
                 color = self.color_incomplete_gl[
-                    lincomplete.index(txt)
+                    lincomplete.index(txt) % len(self.color_incomplete_gl)
                 ]
 
             annotation = self.canvas.axes.annotate(