diff --git a/engine/src/main/java/com/arcadedb/serializer/BinaryComparator.java b/engine/src/main/java/com/arcadedb/serializer/BinaryComparator.java
index 02e6f6d2ec..facc09522c 100644
--- a/engine/src/main/java/com/arcadedb/serializer/BinaryComparator.java
+++ b/engine/src/main/java/com/arcadedb/serializer/BinaryComparator.java
@@ -396,6 +396,9 @@ public static boolean equalsString(final String buffer1, final String buffer2) {
     if (buffer1 == null || buffer2 == null)
       return false;
 
+    if (buffer1.isEmpty() && buffer2.isEmpty())
+      return true;
+
     return equalsBytes(buffer1.getBytes(DatabaseFactory.getDefaultCharset()),
         buffer2.getBytes(DatabaseFactory.getDefaultCharset()));
   }