diff --git a/materials.xml b/materials.xml
index 5a38ca7fc..f9e44bb3c 100644
--- a/materials.xml
+++ b/materials.xml
@@ -96,6 +96,11 @@ Shared parameters for various materials.
Runway/pa_taxiway.rgb
+
+ pa_tiedown
+ Runway/pa_tiedown.rgb
+
+
pa_dspl_thresh
Runway/pa_dspl_thresh.rgb