diff --git a/pkg/vm/stackitem/item.go b/pkg/vm/stackitem/item.go
index d7c92a5fe..18afb7349 100644
--- a/pkg/vm/stackitem/item.go
+++ b/pkg/vm/stackitem/item.go
@@ -27,8 +27,8 @@ const (
 	// MaxClonableNumOfItems is the maximum number of items that can be cloned in structs.
 	MaxClonableNumOfItems = MaxDeserialized
 	// MaxByteArrayComparableSize is the maximum allowed length of a ByteArray for Equals method.
-	// It is set to be the maximum uint16 value.
-	MaxByteArrayComparableSize = math.MaxUint16
+	// It is set to be the maximum uint16 value + 1.
+	MaxByteArrayComparableSize = math.MaxUint16 + 1
 	// MaxKeySize is the maximum size of a map key.
 	MaxKeySize = 64
 )
diff --git a/pkg/vm/vm_test.go b/pkg/vm/vm_test.go
index e342434f4..ce2d9375e 100644
--- a/pkg/vm/vm_test.go
+++ b/pkg/vm/vm_test.go
@@ -816,7 +816,7 @@ func TestEQUALByteArrayWithLimit(t *testing.T) {
 		for i := range args {
 			args[i] = stackitem.NewStruct([]stackitem.Item{
 				stackitem.NewByteArray(make([]byte, stackitem.MaxByteArrayComparableSize/2)),
-				stackitem.NewByteArray(make([]byte, stackitem.MaxByteArrayComparableSize/2+1)), // MaxByteArrayComparableSize is even, thus use +1
+				stackitem.NewByteArray(make([]byte, stackitem.MaxByteArrayComparableSize/2)),
 			})
 		}
 		getTestFuncForVM(prog, true, args[0], args[1])(t)
@@ -825,7 +825,7 @@ func TestEQUALByteArrayWithLimit(t *testing.T) {
 		args := make([]stackitem.Item, 2)
 		for i := range args {
 			args[i] = stackitem.NewStruct([]stackitem.Item{
-				stackitem.NewByteArray(make([]byte, stackitem.MaxByteArrayComparableSize/2+2)),
+				stackitem.NewByteArray(make([]byte, stackitem.MaxByteArrayComparableSize/2+1)),
 				stackitem.NewByteArray(make([]byte, stackitem.MaxByteArrayComparableSize/2)),
 			})
 		}