diff --git a/src/gnome/gnc-html.c b/src/gnome/gnc-html.c
index 76e8a6f9d1..4d4b46ae45 100644
--- a/src/gnome/gnc-html.c
+++ b/src/gnome/gnc-html.c
@@ -583,7 +583,7 @@ gnc_html_guppi_redraw_cb(GtkHTMLEmbedded * eb,
 
 static char * 
 unescape_newlines(const gchar * in) {
-  char * ip = in;
+  const char * ip = in;
   char * retval = g_strdup(in);
   char * op = retval;