diff --git a/main/biome.cpp b/main/biome.cpp
index 365333e..b707f13 100644
--- a/main/biome.cpp
+++ b/main/biome.cpp
@@ -150,6 +150,8 @@ void Biome::generate_stack(Ref<VoxelChunk> chunk, int x, int z, bool spawn_mobs)
 }
 
 void Biome::setup_library(Ref<VoxelmanLibrary> library) {
+	ERR_FAIL_COND(!library.is_valid());
+
 	if (!_data.is_valid())
 		return;
 
@@ -167,6 +169,14 @@ void Biome::_setup_library(Ref<VoxelmanLibrary> library) {
 		}
 	}
 
+	for (int i = 0; i < get_dungeon_count(); ++i) {
+		Ref<Dungeon> d = get_dungeon(i);
+
+		if (d.is_valid()) {
+			d->setup_library(library);
+		}
+	}
+
 #ifdef PROPS_PRESENT
 	for (int i = 0; i < _data->get_prop_data_count(); ++i) {
 		Ref<WorldGeneratorPropData> s = _data->get_prop_data(i);
diff --git a/main/dungeon.cpp b/main/dungeon.cpp
index 18c5d52..293272a 100644
--- a/main/dungeon.cpp
+++ b/main/dungeon.cpp
@@ -250,6 +250,38 @@ void Dungeon::_setup_library(Ref<VoxelmanLibrary> library) {
 			library->add_voxel_surface(s);
 		}
 	}
+
+	for (int i = 0; i < get_dungeon_corridor_count(); ++i) {
+		Ref<DungeonCorridor> d = get_dungeon_corridor(i);
+
+		if (d.is_valid()) {
+			d->setup_library(library);
+		}
+	}
+
+	for (int i = 0; i < get_dungeon_end_room_count(); ++i) {
+		Ref<DungeonRoom> d = get_dungeon_end_room(i);
+
+		if (d.is_valid()) {
+			d->setup_library(library);
+		}
+	}
+
+	for (int i = 0; i < get_dungeon_room_count(); ++i) {
+		Ref<DungeonRoom> d = get_dungeon_room(i);
+
+		if (d.is_valid()) {
+			d->setup_library(library);
+		}
+	}
+
+	for (int i = 0; i < get_dungeon_start_room_count(); ++i) {
+		Ref<DungeonRoom> d = get_dungeon_start_room(i);
+
+		if (d.is_valid()) {
+			d->setup_library(library);
+		}
+	}
 }
 
 void Dungeon::generate_chunk(Ref<VoxelChunk> chunk, bool spawn_mobs) {
diff --git a/main/planet.cpp b/main/planet.cpp
index 02988cf..78f18c8 100644
--- a/main/planet.cpp
+++ b/main/planet.cpp
@@ -109,6 +109,8 @@ void Planet::setup() {
 
 #ifdef VOXELMAN_PRESENT
 void Planet::setup_library(Ref<VoxelmanLibrary> library) {
+	ERR_FAIL_COND(!library.is_valid());
+
 	if (!_data.is_valid())
 		return;
 
@@ -125,6 +127,22 @@ void Planet::_setup_library(Ref<VoxelmanLibrary> library) {
 			library->add_voxel_surface(s);
 		}
 	}
+
+	for (int i = 0; i < get_biome_count(); ++i) {
+		Ref<Biome> s = get_biome(i);
+
+		if (s.is_valid()) {
+			s->setup_library(library);
+		}
+	}
+
+	for (int i = 0; i < get_dungeon_count(); ++i) {
+		Ref<Dungeon> d = get_dungeon(i);
+
+		if (d.is_valid()) {
+			d->setup_library(library);
+		}
+	}
 }
 
 void Planet::generate_chunk(Ref<VoxelChunk> chunk, bool spawn_mobs) {