diff --git a/Fonderie/crapulator.c b/Fonderie/crapulator.c
index 10c50ee..d09a10d 100644
--- a/Fonderie/crapulator.c
+++ b/Fonderie/crapulator.c
@@ -297,6 +297,11 @@ switch (idFx) {
 		retval = do_something(image, 3);
 		break;
 
+	case CR_hilightr:
+		fprintf(stderr, "filter %d is a WIP\n", idFx);
+		retval = fimg_highlight_color(image, image, 'R', 1.717);
+		break;
+
 	default :
 		fprintf(stderr, "%s : effect #%d invalid\n", 
 				__func__, idFx);
diff --git a/Fonderie/crapulors.liste b/Fonderie/crapulors.liste
index f1afc31..3873558 100644
--- a/Fonderie/crapulors.liste
+++ b/Fonderie/crapulors.liste
@@ -28,5 +28,6 @@
 30	multidots	100	1.333
 31	diagonal	1	1.0
 42	nothing		42	3.1415926
+45	hilightr	1	1.717
 99	message		1	1.0
 -1	end		1	1.0