--- gtkam-1.0/src/gtkam-tree.c.~1~	2015-08-08 11:59:03.000000000 +0000
+++ gtkam-1.0/src/gtkam-tree.c	2017-07-26 11:52:58.343392180 +0000
@@ -1472,9 +1472,10 @@
 		    strcmp (model, "Directory Browse")) {
 	                p = gp_port_info_list_lookup_path (il, port);
         	        if (p < 0) {
-                	        g_warning ("Could not find '%s' in port "
-					"info list (%s)!", port,
-					gp_result_as_string (p));
+                	        g_warning (_("Could not find '%s' in port "
+					"info list (%s)!"),
+					g_locale_to_utf8 (port, -1, NULL, NULL, NULL),
+					g_locale_to_utf8 (gp_result_as_string (p), -1, NULL, NULL, NULL));
 				gp_camera_unref (camera);
 				continue;
 			}