diff --git a/src/lib/cluster.ts b/src/lib/cluster.ts
index 586da12..2ee0fab 100644
--- a/src/lib/cluster.ts
+++ b/src/lib/cluster.ts
@@ -103,8 +103,6 @@ class ClusterMap implements ClusterMapInterface {
   }
 
   public getCluster(clusterCoords: NumericVector): ClusterInterface {
-    let result: Array<unknown> = this.map;
-
     if (clusterCoords.length === 2) {
       const map = this.map as Cluster[][];
       if (
@@ -124,6 +122,8 @@ class ClusterMap implements ClusterMapInterface {
       }
     }
 
+    let result: Array<unknown> = this.map;
+
     for (let i=0; i<clusterCoords.length-1; ++i) {
       const coord = clusterCoords[i];
       if (!result.hasOwnProperty(coord)) {