diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 777fc49..0e5b8b6 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -32,3 +32,4 @@ In the order of appearance in the commit history:
 | Issam E. Maghni           | @concatime         |
 | Patrik Bachan             | @diggit            |
 | -                         | @lweyrich1         |
+| Michal Mlodecki           | @TheColector       |
diff --git a/pylink/jlink.py b/pylink/jlink.py
index 8ef21ba..a12387d 100644
--- a/pylink/jlink.py
+++ b/pylink/jlink.py
@@ -2269,11 +2269,11 @@ def flash_file(self, path, addr, on_progress=None, power_on=False):
             pass
 
         # Program the target.
-        bytes_flashed = self._dll.JLINK_DownloadFile(os.fsencode(path), addr)
-        if bytes_flashed < 0:
-            raise errors.JLinkFlashException(bytes_flashed)
+        res = self._dll.JLINK_DownloadFile(os.fsencode(path), addr)
+        if res < 0:
+            raise errors.JLinkFlashException(res)
 
-        return bytes_flashed
+        return res
 
     @connection_required
     def reset(self, ms=0, halt=True):