diff --git a/src/main/java/org/terasology/lost/LevelSpawnSystem.java b/src/main/java/org/terasology/lost/LevelSpawnSystem.java
index 33ba67e..bc7c593 100644
--- a/src/main/java/org/terasology/lost/LevelSpawnSystem.java
+++ b/src/main/java/org/terasology/lost/LevelSpawnSystem.java
@@ -4,6 +4,7 @@
 package org.terasology.lost;
 
 import org.joml.RoundingMode;
+import org.joml.Vector2fc;
 import org.joml.Vector3f;
 import org.joml.Vector3i;
 import org.slf4j.Logger;
@@ -80,10 +81,10 @@ public void onBiomeChange(OnBiomeChangedEvent event, EntityRef player,
         // fetch the current voronoi region
         GraphRegion region = worldRegion.getFacet(GraphFacet.class).getWorldTriangle(Math.round(playerLocation.x),
                 Math.round(playerLocation.z)).getRegion();
-        ImmutableVector2f center = region.getCenter();
+        Vector2fc center = region.getCenter();
 
-        float distanceFromHut = center.distance(new Vector2f(progressTrackingComponent.hutPosition.x,
-                progressTrackingComponent.hutPosition.z));
+        float distanceFromHut = center.distance(progressTrackingComponent.hutPosition.x,
+                progressTrackingComponent.hutPosition.z);
         if (distanceFromHut < MINIMUM_DISTANCE_FROM_HUT && !event.getNewBiome().getDisplayName().contains("forest")) {
             return;
         }
@@ -93,8 +94,8 @@ public void onBiomeChange(OnBiomeChangedEvent event, EntityRef player,
         }
         if (levelURI != null && progressTrackingComponent.isWellFound()) {
             // round center coordinates to Integers
-            int x = Math.round(center.getX());
-            int y = Math.round(center.getY());
+            int x = Math.round(center.x());
+            int y = Math.round(center.y());
             int height = Math.round(surfacesFacet.getPrimarySurface(elevationFacet, x, y).orElse(elevationFacet.getWorld(x, y)));
 
             Vector3i spawnPosition = new Vector3i(x, height, y);
diff --git a/src/main/java/org/terasology/lost/generator/LostWorldGenerator.java b/src/main/java/org/terasology/lost/generator/LostWorldGenerator.java
index 1e0a32f..9962f2f 100644
--- a/src/main/java/org/terasology/lost/generator/LostWorldGenerator.java
+++ b/src/main/java/org/terasology/lost/generator/LostWorldGenerator.java
@@ -3,6 +3,7 @@
 package org.terasology.lost.generator;
 
 import org.joml.RoundingMode;
+import org.joml.Vector2fc;
 import org.joml.Vector3f;
 import org.joml.Vector3fc;
 import org.joml.Vector3i;
@@ -143,7 +144,7 @@ public Vector3fc getSpawnPosition(EntityRef entity) {
                     continue;
                 }
                 if (!biome.equals(WhittakerBiome.OCEAN) && !biome.equals(WhittakerBiome.LAKE) && !biome.equals(WhittakerBiome.BEACH)) {
-                    picker.offer(JomlUtil.from(r.getCenter()), r);
+                    picker.offer(r.getCenter(), r);
                     locationFound = true;
                     break;
                 }
@@ -154,8 +155,8 @@ public Vector3fc getSpawnPosition(EntityRef entity) {
         }
         Vector2i target;
         if (picker.getClosest() != null) {
-            ImmutableVector2f hit = picker.getClosest().getCenter();
-            target = new Vector2i(hit.getX(), hit.getY());
+            Vector2fc hit = picker.getClosest().getCenter();
+            target = new Vector2i(hit.x(), hit.y());
         } else {
             target = new Vector2i(desiredPos.x(), desiredPos.z());
         }