diff --git a/zpak001.pk3dir/sound/materials_valve.txt b/zpak001.pk3dir/sound/materials_valve.txt
index 389116b..78e5952 100644
--- a/zpak001.pk3dir/sound/materials_valve.txt
+++ b/zpak001.pk3dir/sound/materials_valve.txt
@@ -731,6 +731,7 @@ M C3A2_BTH2B
 M C3A2_BTH2C
 M C3A2_CEIL
 M C3A2_DR
+M C3A2_DR1
 M C3A2_TELEPAD
 M C3A2_TNK4A
 M C3A2_TNK4B
@@ -895,6 +896,7 @@ M GENERIC101
 M GENERIC101A
 M GENERIC101A2
 M GENERIC101B
+M GENERIC101B2
 M GENERIC101C
 M GENERIC101C2
 M GENERIC101D