diff --git a/src/IHSetDean/IHSetDean.py b/src/IHSetDean/IHSetDean.py
index 74b9c6c..1d54c93 100644
--- a/src/IHSetDean/IHSetDean.py
+++ b/src/IHSetDean/IHSetDean.py
@@ -19,6 +19,8 @@ def __init__(self, path):
                 
         self.Ymin = cfg['Ymin'].values
         self.Ymax = cfg['Ymax'].values
+        self.Dmin = cfg['Dmin'].values
+        self.Dmax = cfg['Dmax'].values
         self.dY = cfg['dy'].values
         self.D50 = ens['D50'].values
         self.dp = ens['d'].values
@@ -29,7 +31,7 @@ def calibrate(self):
         self.d = self.dp - self.dp[0]
 
         # Profile with equidistant points
-        dp = np.linspace(0, self.dp[-1], 500).reshape(-1, 1)
+        dp = np.linspace(self.Dmin, self.Dmax, 500).reshape(-1, 1)
         interp_func = interp1d(self.d, self.zp, kind="linear", fill_value="extrapolate")
         zp = interp_func(dp)
         zp = zp[1:]
diff --git a/src/IHSetDean/__pycache__/IHSetDean.cpython-312.pyc b/src/IHSetDean/__pycache__/IHSetDean.cpython-312.pyc
index 5e28647..f7ea3f6 100644
Binary files a/src/IHSetDean/__pycache__/IHSetDean.cpython-312.pyc and b/src/IHSetDean/__pycache__/IHSetDean.cpython-312.pyc differ
diff --git a/src/IHSetDean/tests/__pycache__/test_dean.cpython-312-pytest-8.0.2.pyc b/src/IHSetDean/tests/__pycache__/test_dean.cpython-312-pytest-8.0.2.pyc
index cd368b1..8776f99 100644
Binary files a/src/IHSetDean/tests/__pycache__/test_dean.cpython-312-pytest-8.0.2.pyc and b/src/IHSetDean/tests/__pycache__/test_dean.cpython-312-pytest-8.0.2.pyc differ
diff --git a/src/IHSetDean/tests/test_dean.py b/src/IHSetDean/tests/test_dean.py
index 53bf09e..87cd556 100644
--- a/src/IHSetDean/tests/test_dean.py
+++ b/src/IHSetDean/tests/test_dean.py
@@ -4,8 +4,10 @@
 import matplotlib.pyplot as plt
 
 config = xr.Dataset(coords={'dy': 0.001,            # Calibrate 
-                            'Ymin': -20,            # Calibrate the minimum value
-                            'Ymax': 0,              # Calibrate the maximum value
+                            'Ymin': -20,            # Calibrate the minimum initial distance value
+                            'Ymax': 20,              # Calibrate the maximum initial distance value
+                            'Dmin': 0,              # Calibrate the minimum observed distnace value
+                            'Dmax': 20,              # Calibrate the maximum observed distance value
                             })
 
 wrkDir = os.getcwd()