diff --git a/src/bob/bio/vein/extractor/RepeatedLineTracking.py b/src/bob/bio/vein/extractor/RepeatedLineTracking.py
index dd62de036d065132124b73a6bcf57bace8a0a8e3..6d42ec37a332da5c170a3db7287e42c0c72b8700 100644
--- a/src/bob/bio/vein/extractor/RepeatedLineTracking.py
+++ b/src/bob/bio/vein/extractor/RepeatedLineTracking.py
@@ -61,18 +61,14 @@ class RepeatedLineTracking(Extractor):
             # finger_image = bob.ip.base.scale(finger_image, scaling_factor)
             # finger_mask = bob.ip.base.scale(finger_mask, scaling_factor)
             new_size = tuple(
-                (numpy.array(finger_image.shape) * scaling_factor).astype(
-                    numpy.int
-                )
+                (numpy.array(finger_image.shape) * scaling_factor).astype(int)
             )
             finger_image = numpy.array(
                 Image.fromarray(finger_image).resize(size=new_size)
             ).T
 
             new_size = tuple(
-                (numpy.array(finger_mask.shape) * scaling_factor).astype(
-                    numpy.int
-                )
+                (numpy.array(finger_mask.shape) * scaling_factor).astype(int)
             )
             finger_mask = numpy.array(
                 Image.fromarray(finger_mask).resize(size=new_size)
diff --git a/src/bob/bio/vein/extractor/WideLineDetector.py b/src/bob/bio/vein/extractor/WideLineDetector.py
index 8eace9a6ae0f28e72da5534c5fe6be054ec05beb..651e55f4f4a5027da9477ff5db41bc0ab1ce12cd 100644
--- a/src/bob/bio/vein/extractor/WideLineDetector.py
+++ b/src/bob/bio/vein/extractor/WideLineDetector.py
@@ -51,18 +51,14 @@ class WideLineDetector(Extractor):
             scaling_factor = 0.24
 
             new_size = tuple(
-                (numpy.array(finger_image.shape) * scaling_factor).astype(
-                    numpy.int
-                )
+                (numpy.array(finger_image.shape) * scaling_factor).astype(int)
             )
             finger_image = numpy.array(
                 Image.fromarray(finger_image).resize(size=new_size)
             ).T
 
             new_size = tuple(
-                (numpy.array(finger_mask.shape) * scaling_factor).astype(
-                    numpy.int
-                )
+                (numpy.array(finger_mask.shape) * scaling_factor).astype(int)
             )
             finger_mask = numpy.array(
                 Image.fromarray(finger_mask).resize(size=new_size)