diff --git a/src/test/java/electrosphere/util/ds/octree/RealOctreeTests.java b/src/test/java/electrosphere/util/ds/octree/RealOctreeTests.java
index e4616cf2..d343f64d 100644
--- a/src/test/java/electrosphere/util/ds/octree/RealOctreeTests.java
+++ b/src/test/java/electrosphere/util/ds/octree/RealOctreeTests.java
@@ -279,7 +279,9 @@ public class RealOctreeTests {
                 rand.nextInt(0, 256),
                 rand.nextInt(0, 256)
             );
-            octree.addLeaf(loc, i);
+            if(!octree.containsLeaf(loc)){
+                octree.addLeaf(loc, i);
+            }
         }
 
         //