diff --git a/dbms/tests/queries/0_stateless/00936_substring_utf8_non_const.reference b/dbms/tests/queries/0_stateless/00936_substring_utf8_non_const.reference
index 47c756f3e5b..daa12776a92 100644
--- a/dbms/tests/queries/0_stateless/00936_substring_utf8_non_const.reference
+++ b/dbms/tests/queries/0_stateless/00936_substring_utf8_non_const.reference
@@ -226,3 +226,6 @@ o, пр
 lo, п
 lo, п
 lo, п
+1
+1
+1
diff --git a/dbms/tests/queries/0_stateless/00936_substring_utf8_non_const.sql b/dbms/tests/queries/0_stateless/00936_substring_utf8_non_const.sql
index 9dfdffde20e..a2b115d776d 100644
--- a/dbms/tests/queries/0_stateless/00936_substring_utf8_non_const.sql
+++ b/dbms/tests/queries/0_stateless/00936_substring_utf8_non_const.sql
@@ -25,3 +25,18 @@ SELECT substringUTF8(materialize('hello, привет'), 1, 10) FROM numbers(3);
 SELECT substringUTF8(materialize('hello, привет'), 5, 5) FROM numbers(3);
 SELECT substringUTF8(materialize('hello, привет'), -5) FROM numbers(3);
 SELECT substringUTF8(materialize('hello, привет'), -10, 5) FROM numbers(3);
+
+SELECT DISTINCT substring(toString(range(rand(1) % 50)), rand(2) % 50, rand(3) % 50) = substringUTF8(toString(range(rand(1) % 50)), rand(2) % 50, rand(3) % 50) AS res FROM numbers(1000000);
+SELECT DISTINCT substring(toString(range(rand(1) % 50)), rand(2) % 50) = substringUTF8(toString(range(rand(1) % 50)), rand(2) % 50) AS res FROM numbers(1000000);
+
+-- NOTE: The behaviour of substring and substringUTF8 is inconsistent when negative offset is greater than string size:
+-- substring:
+--      hello
+-- ^-----^ - offset -10, length 7, result: "he"
+-- substringUTF8:
+--      hello
+--      ^-----^ - offset -10, length 7, result: "hello"
+
+-- SELECT DISTINCT substring(toString(range(rand(1) % 50)), -(rand(2) % 50), rand(3) % 50) = substringUTF8(toString(range(rand(1) % 50)), -(rand(2) % 50), rand(3) % 50) AS res FROM numbers(1000000);
+
+SELECT DISTINCT substring(toString(range(rand(1) % 50)), -(rand(2) % 50)) = substringUTF8(toString(range(rand(1) % 50)), -(rand(2) % 50)) AS res FROM numbers(1000000);