diff --git a/rapids/models.py b/rapids/models.py
index c1f63bba..96e5c2f0 100644
--- a/rapids/models.py
+++ b/rapids/models.py
@@ -457,7 +457,7 @@ class RapidImage(models.Model):
         if self.image:
             # Try and read the file as a dicom
             try:
-                hash = ",".join(pydicom.dcmread(self.image).pixel_array.to())
+                hash = ",".join(pydicom.dcmread(self.image.path).pixel_array.to())
                 self.is_dicom = True
             except pydicom.errors.InvalidDicomError:
                 with self.image.open("r") as f: