diff --git a/generic/models.py b/generic/models.py
index a46b81e8..12dd2c9d 100644
--- a/generic/models.py
+++ b/generic/models.py
@@ -242,7 +242,6 @@ class SeriesImageBase(models.Model):
         with pydicom.dcmread(self.image) as ds:
             image_hash, is_dicom = get_image_hash(self.image, dataset=ds, hash_type="md5", direct_pixel_data=False)
 
-            self.is_dicom = is_dicom
             self.image_md5_hash = image_hash
 
             image_blake3_hash, is_dicom = get_image_hash(self.image, dataset=ds, hash_type="blake3", direct_pixel_data=True)
@@ -254,17 +253,17 @@ class SeriesImageBase(models.Model):
     def save(self, *args, **kwargs):
         """Override save method to add image hash"""
         if self.image:
-            print(self.pk, self.image)
-            if not self.image_md5_hash:
-                image_hash, is_dicom = get_image_hash(self.image, hash_type="md5", direct_pixel_data=False)
+            with pydicom.dcmread(self.image) as ds:
+                if not self.image_md5_hash:
+                    image_hash, is_dicom = get_image_hash(self.image, dataset=ds, hash_type="md5", direct_pixel_data=False)
 
-                self.is_dicom = is_dicom
-                self.image_md5_hash = image_hash
+                    self.is_dicom = is_dicom
+                    self.image_md5_hash = image_hash
 
-            if not self.image_blake3_hash:
-                image_blake3_hash, is_dicom = get_image_hash(self.image, hash_type="blake3", direct_pixel_data=True)
-                self.is_dicom = is_dicom
-                self.image_blake3_hash = image_blake3_hash
+                if not self.image_blake3_hash:
+                    image_blake3_hash, is_dicom = get_image_hash(self.image, dataset=ds, hash_type="blake3", direct_pixel_data=True)
+                    self.is_dicom = is_dicom
+                    self.image_blake3_hash = image_blake3_hash
 
                 ## Hack for tests
                 #if image_hash != "12345ABCD":