diff --git a/datasets/fake/generate_dataset.py b/datasets/fake/generate_dataset.py
index 3656497..008c813 100644
--- a/datasets/fake/generate_dataset.py
+++ b/datasets/fake/generate_dataset.py
@@ -26,6 +26,8 @@ PRNU_FACTOR = 0.1
 
 IMAGE_SIZE_SHAPE = (IMAGE_SIZE, IMAGE_SIZE)
 
+np.random.seed(0)
+
 # Generate PRNUs and images of phones.
 imagesWithoutPrnu = [[randomGaussianImage(scale = 1, size = IMAGE_SIZE_SHAPE) for _ in range(NUMBER_OF_IMAGES_PER_PHONE)] for phoneIndex in range(NUMBER_OF_PHONES)]
 
diff --git a/datasets/noise_free_test_images/estimate_prnu.py b/datasets/noise_free_test_images/estimate_prnu.py
index bd07126..959cb46 100644
--- a/datasets/noise_free_test_images/estimate_prnu.py
+++ b/datasets/noise_free_test_images/estimate_prnu.py
@@ -15,6 +15,8 @@ datasetPath = 'no_noise_images'
 PRNU_FACTOR = 255 * 0.1
 IMAGE_SIZE_SHAPE = (469, 704)
 
+np.random.seed(0)
+
 # Should first try with an image showing `PRNU`.
 prnu = randomGaussianImage(scale = PRNU_FACTOR, size = IMAGE_SIZE_SHAPE)