diff --git a/data/postprocess.sh b/data/postprocess.sh
index effc04c..1fd3706 100755
--- a/data/postprocess.sh
+++ b/data/postprocess.sh
@@ -58,7 +58,7 @@ elif command -v "dcraw" > /dev/null
 then
 	DCRAW=dcraw
 	TIFF_EXT="tiff"
-	set --
+	set -- -w
 fi
 
 CONVERT=""