diff --git a/mods/default/nodes.lua b/mods/default/nodes.lua
index 86a26ed4..1550e141 100644
--- a/mods/default/nodes.lua
+++ b/mods/default/nodes.lua
@@ -1757,7 +1757,7 @@ minetest.register_node("default:obsidian_glass", {
 	is_ground_content = false,
 	sunlight_propagates = true,
 	sounds = default.node_sound_glass_defaults(),
-	groups = {cracky = 3, oddly_breakable_by_hand = 3},
+	groups = {cracky = 3},
 })