diff --git a/src/experiments/template_extraction/script.py b/src/experiments/template_extraction/script.py
index 539aa84..a81ab23 100644
--- a/src/experiments/template_extraction/script.py
+++ b/src/experiments/template_extraction/script.py
@@ -183,16 +183,10 @@ for file in os.listdir(input_folder):
     # feature voor ooit, nogal lastig
     
     ## Calibratie van afstand met betrekking tot pixels ##
-    x_min = w_small
-    x_max = 0
-    for corner in warped_corners:
-        # vind x waarden bovenaan
-        (x, y) = corner
-        if y < (h_small // 2):
-            if x < x_min:
-                x_min = x
-            else:
-                x_max = x
+    xs = [corner[0] for corner in warped_corners]
+    ys = [corner[1] for corner in warped_corners]
+    x_max = np.amax(xs)
+    x_min = np.amin(xs)
     x_diff = x_max - x_min
     calib_scale = x_diff / CALIB_AFSTAND
     if VERBOSE: