--- ghex-3.18.4.orig/src/hex-document.c	2019-07-13 12:32:37.104694200 -0400
+++ ghex-3.18.4/src/hex-document.c	2019-07-13 12:36:29.883514700 -0400
@@ -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;