diff --git a/src/io/dng_loader.py b/src/io/dng_loader.py
index 1a20f69..cd5b6d4 100644
--- a/src/io/dng_loader.py
+++ b/src/io/dng_loader.py
@@ -163,7 +163,7 @@
         **_postprocess_common,
         output_color=rawpy.ColorSpace.sRGB,
     )
-    rgb_float = rgb16.astype(numpy.float32) / 65535.0
+    rgb_float = rgb16.astype(numpy.float32) / _UINT16_MAX
     raw.close()
 
     rgb_srgb = _apply_srgb_oetf(rgb_float)