Index: document.c
===================================================================
--- document.c	(revision 1564)
+++ document.c	(working copy)
@@ -630,7 +630,7 @@
 	}
 
 	// use strlen to check for null chars
-	filedata->len = strlen(filedata->data);
+	filedata->len = st.st_size;
 
 	/* check whether the size of the loaded data is equal to the size of the file in the filesystem */
 	if (filedata->len != (gsize) st.st_size)