--- ./src/hex-document.c.orig	2014-04-14 22:42:15.000000000 +0200
+++ ./src/hex-document.c	2015-02-15 10:48:42.205722500 +0100
@@ -652,7 +652,7 @@
 	if(!get_document_attributes(doc))
 		return FALSE;
 
-	if((file = fopen(doc->file_name, "r")) == NULL)
+	if((file = fopen(doc->file_name, "rb")) == NULL)
 		return FALSE;
 
 	doc->gap_size = doc->buffer_size - doc->file_size;