diff --git a/octagon_panes.lua b/octagon_panes.lua
index 3f72530..330e6dc 100644
--- a/octagon_panes.lua
+++ b/octagon_panes.lua
@@ -108,3 +108,4 @@ register("octrng", "Orange Octagon Glass pane", "scifi_nodes_octrng.png")
 register("octgrn", "Green Octagon Glass pane", "scifi_nodes_octgrn.png")
 register("octbl", "Blue Octagon Glass pane", "scifi_nodes_octbl.png")
 register("octppl", "Purple Octagon Glass pane", "scifi_nodes_octppl.png")
+register("glass", "Dark Glass pane", "scifi_nodes_glass.png")