diff --git a/ChangeLog b/ChangeLog
index 0e0eeea3ee..851c4241c5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2008-02-04  Sven Neumann  <sven@gimp.org>
+
+	* app/display/gimpdisplayshell-preview.c
+	(gimp_display_shell_trace_tri_edge): use a gint for direction, not
+	a gchar which might be unsigned. Patch from Giuliano Pochini;
+	fixes bug #340965.
+
 2008-02-04  Sven Neumann  <sven@gimp.org>
 
 	* plug-ins/print/print-page-layout.c: only connect to page layout
diff --git a/app/display/gimpdisplayshell-preview.c b/app/display/gimpdisplayshell-preview.c
index dd10d95a71..9d05ef1261 100644
--- a/app/display/gimpdisplayshell-preview.c
+++ b/app/display/gimpdisplayshell-preview.c
@@ -828,7 +828,7 @@ gimp_display_shell_trace_tri_edge (gint *dest,
 {
   const gint  dy = y2 - y1;
   gint        dx;
-  gchar       xdir;
+  gint        xdir;
   gint        errorterm;
   gint        b;
   gint       *dptr;