diff --git a/gnome2/gthumb/gthumb.conf b/gnome2/gthumb/gthumb.conf
index feb2c7940..e410a9e81 100644
--- a/gnome2/gthumb/gthumb.conf
+++ b/gnome2/gthumb/gthumb.conf
@@ -13,3 +13,8 @@
 # --- SDE-COPYRIGHT-NOTE-END ---
 
 hook_add preconf 9 "autoreconf -vf -I $( pkgprefix -r datadir gconf )/aclocal"
+
+# use libopenraw instead of dcraw
+if pkginstalled -f libopenraw; then
+	var_append extraconfopt ' ' "--enable-libopenraw"
+fi