diff --git a/llx/builtin_array.go b/llx/builtin_array.go
index 9280900885..c4fd4e1cc6 100644
--- a/llx/builtin_array.go
+++ b/llx/builtin_array.go
@@ -462,6 +462,10 @@ func arrayFlat(e *blockExecutor, bind *RawData, chunk *Chunk, ref uint64) (*RawD
 	typ := bind.Type
 	for typ.IsArray() {
 		typ = typ.Child()
+		if typ.NotSet() {
+			typ = types.Any
+			break
+		}
 	}
 
 	return &RawData{Type: types.Array(typ), Value: res}, 0, nil
diff --git a/llx/builtin_array_test.go b/llx/builtin_array_test.go
new file mode 100644
index 0000000000..46f590eac8
--- /dev/null
+++ b/llx/builtin_array_test.go
@@ -0,0 +1,23 @@
+// Copyright (c) Mondoo, Inc.
+// SPDX-License-Identifier: BUSL-1.1
+
+package llx
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+	"go.mondoo.com/cnquery/v10/types"
+)
+
+func TestArrayFlat(t *testing.T) {
+	t.Run("empty array with missing type info", func(t *testing.T) {
+		res, ref, err := arrayFlat(nil, &RawData{
+			Type:  types.ArrayLike,
+			Value: []any{},
+		}, nil, 0)
+		require.NoError(t, err)
+		require.Equal(t, uint64(0), ref)
+		require.Equal(t, ArrayData(nil, types.Any), res)
+	})
+}