diff --git a/engine/src/main/java/com/arcadedb/index/vector/HnswVectorIndex.java b/engine/src/main/java/com/arcadedb/index/vector/HnswVectorIndex.java
index a43e080ba..ea200398c 100644
--- a/engine/src/main/java/com/arcadedb/index/vector/HnswVectorIndex.java
+++ b/engine/src/main/java/com/arcadedb/index/vector/HnswVectorIndex.java
@@ -34,6 +34,7 @@
 import com.arcadedb.index.IndexInternal;
 import com.arcadedb.index.TypeIndex;
 import com.arcadedb.index.lsm.LSMTreeIndexAbstract;
+import com.arcadedb.index.vector.distance.DistanceFunctionFactory;
 import com.arcadedb.log.LogManager;
 import com.arcadedb.schema.EmbeddedSchema;
 import com.arcadedb.schema.IndexBuilder;
@@ -210,7 +211,7 @@ public boolean add(Vertex vertex) {
     final ArrayList<RID>[] connections = new ArrayList[randomLevel + 1];
 
     for (int level = 0; level <= randomLevel; level++) {
-      final int levelM = randomLevel == 0 ? maxM0 : maxM;
+      final int levelM = level == 0 ? maxM0 : maxM;
       connections[level] = new ArrayList<>(levelM);
     }
 
diff --git a/engine/src/main/java/com/arcadedb/index/vector/HnswVectorIndexRAM.java b/engine/src/main/java/com/arcadedb/index/vector/HnswVectorIndexRAM.java
index 98d504684..420f794d0 100644
--- a/engine/src/main/java/com/arcadedb/index/vector/HnswVectorIndexRAM.java
+++ b/engine/src/main/java/com/arcadedb/index/vector/HnswVectorIndexRAM.java
@@ -211,7 +211,7 @@ public boolean add(TItem item) {
     IntArrayList[] connections = new IntArrayList[randomLevel + 1];
 
     for (int level = 0; level <= randomLevel; level++) {
-      int levelM = randomLevel == 0 ? maxM0 : maxM;
+      int levelM = level == 0 ? maxM0 : maxM;
       connections[level] = new IntArrayList(levelM);
     }