diff --git a/libweston/color-lcms/color-lcms.c b/libweston/color-lcms/color-lcms.c
index e9efd833..10839787 100644
--- a/libweston/color-lcms/color-lcms.c
+++ b/libweston/color-lcms/color-lcms.c
@@ -327,7 +327,7 @@ transforms_scope_new_sub(struct weston_log_subscription *subs, void *data)
 
 	weston_log_subscription_printf(subs, "Existent:\n");
 	wl_list_for_each(xform, &cm->color_transform_list, link) {
-		weston_log_subscription_printf(subs, "Color transformation %p:\n", xform);
+		weston_log_subscription_printf(subs, "Color transformation t%u:\n", xform->base.id);
 
 		str = cmlcms_color_transform_search_param_string(&xform->search_key);
 		weston_log_subscription_printf(subs, "%s", str);
diff --git a/libweston/color-lcms/color-transform.c b/libweston/color-lcms/color-transform.c
index e13def76..3cd71eeb 100644
--- a/libweston/color-lcms/color-transform.c
+++ b/libweston/color-lcms/color-transform.c
@@ -171,7 +171,7 @@ cmlcms_color_transform_destroy(struct cmlcms_color_transform *xform)
 	unref_cprof(xform->search_key.output_profile);
 
 	weston_log_scope_printf(cm->transforms_scope,
-				"Destroyed color transformation %p.\n", xform);
+				"Destroyed color transformation t%u.\n", xform->base.id);
 
 	free(xform);
 }
@@ -841,8 +841,9 @@ lcms_xform_error_logger(cmsContext context_id,
 	in = xform->search_key.input_profile;
 	out = xform->search_key.output_profile;
 
-	weston_log("LittleCMS error with color transformation from "
+	weston_log("LittleCMS error with color transformation t%u from "
 		   "'%s' (p%u) to '%s' (p%u), %s: %s\n",
+		   xform->base.id,
 		   in ? in->base.description : "(none)",
 		   in ? in->base.id : 0,
 		   out ? out->base.description : "(none)",
@@ -1007,7 +1008,7 @@ cmlcms_color_transform_create(struct weston_color_manager_lcms *cm,
 	xform->search_key.output_profile = ref_cprof(search_param->output_profile);
 
 	weston_log_scope_printf(cm->transforms_scope,
-				"New color transformation: %p\n", xform);
+				"New color transformation: t%u\n", xform->base.id);
 	str = cmlcms_color_transform_search_param_string(&xform->search_key);
 	weston_log_scope_printf(cm->transforms_scope, "%s", str);
 	free(str);