diff --git a/src/com/minemaarten/signals/block/BlockTeleportRail.java b/src/com/minemaarten/signals/block/BlockTeleportRail.java
index 411be04..2c5ce4b 100644
--- a/src/com/minemaarten/signals/block/BlockTeleportRail.java
+++ b/src/com/minemaarten/signals/block/BlockTeleportRail.java
@@ -173,6 +173,7 @@ private Set<MCPos> getNeighboringTeleportRails(World world, BlockPos pos){
         Set<MCPos> ret = new HashSet<MCPos>();
         MCPos mcPos = new MCPos(world, pos);
         RailEdge<MCPos> edge = RailNetworkManager.getServerInstance().getNetwork().findEdge(mcPos);
+        if (edge == null) return ret;
         int startIndex = edge.getIndex(mcPos);
         Object thisRailType = edge.get(startIndex).getRailType();