diff --git a/tests/ml/src/mltest.h b/tests/ml/src/mltest.h
index 9342c1b00..cbca56809 100644
--- a/tests/ml/src/mltest.h
+++ b/tests/ml/src/mltest.h
@@ -104,6 +104,8 @@ protected:
     CvERTrees* ertrees;
 
     map<int, int> cls_map;
+
+    int64 initSeed;
 };
 
 class CV_AMLTest : public CV_MLBaseTest