diff --git a/src/Model/Geometry/ProfileXYZ.py b/src/Model/Geometry/ProfileXYZ.py
index 54626bb3..d3e98097 100644
--- a/src/Model/Geometry/ProfileXYZ.py
+++ b/src/Model/Geometry/ProfileXYZ.py
@@ -565,18 +565,18 @@ class ProfileXYZ(Profile, SQLSubModel):
                 start.append(y)
 
         end = []
-        for i in reversed(range(self.number_points-1)):
-            if zz[i-1] <= z and zz[i] > z:
-                y = np.interp(
-                    z,
-                    [zz[i-1], zz[i]],
-                    [station[i-1], station[i]]
-                )
-                end.append(y)
-
         if points[-1].z <= z:
             end.append(station[-1])
 
+        for i in reversed(range(self.number_points-1)):
+            if zz[i] <= z and zz[i+1] > z:
+                y = np.interp(
+                    z,
+                    [zz[i], zz[i+1]],
+                    [station[i], station[i+1]]
+                )
+                end.append(y)
+
         if len(start) != len(end):
             logger.error(f"ERROR in get_all_water_limits_ac")
             return [], []