diff --git a/sysa.py b/sysa.py
index ec6ff27..ff2a2a5 100755
--- a/sysa.py
+++ b/sysa.py
@@ -76,8 +76,12 @@ class SysA:
         # Actually download the file
         if not os.path.isfile(abs_file_name):
             print("Downloading: %s" % (file_name))
-            request = requests.get(url, allow_redirects=True)
-            open(abs_file_name, 'wb').write(request.content)
+            response = requests.get(url, allow_redirects=True, stream=True)
+            if response.status_code == 200:
+                with open(abs_file_name, 'wb') as target_file:
+                    target_file.write(response.raw.read())
+            else:
+                raise Exception("Download failed.")
 
         # Check SHA256 hash
         self.check_file(abs_file_name)