diff --git a/tests/bugs/gh_4769_test.py b/tests/bugs/gh_4769_test.py
new file mode 100644
index 00000000..4fec9047
--- /dev/null
+++ b/tests/bugs/gh_4769_test.py
@@ -0,0 +1,63 @@
+#coding:utf-8
+
+"""
+ID:          issue-4769
+ISSUE:       4769
+TITLE:       Allow sub-routines to access variables/parameters defined at the outer/parent level [CORE4449]
+NOTES:
+    [01.03.2023] pzotov
+    Checked on 5.0.0.964
+"""
+
+import pytest
+from firebird.qa import *
+
+db = db_factory()
+
+test_script = """
+    set bail on;
+    set list on;
+    set term ^;
+    create procedure test (i_main integer) returns (o_main int) as
+        declare outer_var int;
+        declare procedure sub1 returns (o_sub1 int) as
+        begin
+            outer_var = outer_var * outer_var - i_main * 2; -- = 3*3 - 11*2 ==> -13
+            i_main = i_main + 10;  -- 11 + 10 ==> 21
+            o_sub1 = outer_var;
+            suspend;
+        end
+        declare procedure sub2 returns (o_sub2 int) as
+        begin
+            outer_var = outer_var * outer_var- i_main * 3; -- (-13)*(-13) - 21*3 ==> 106
+            i_main = i_main + 20; -- 21+20 ==> 41
+            o_sub2 = outer_var;
+            suspend;
+        end
+    begin
+        outer_var = 3;
+        select o_sub1 from sub1 into :o_main;
+        suspend;
+        select o_sub2 from sub2 into :o_main;
+        suspend;
+        o_main = outer_var + i_main; -- 106 + 41 ==> 147
+        suspend;
+    end
+    ^
+    set term ;^
+    select * from test(11);
+"""
+
+act = isql_act('db', test_script)
+
+expected_stdout = """
+    O_MAIN                          -13
+    O_MAIN                          106
+    O_MAIN                          147
+"""
+
+@pytest.mark.version('>=5.0')
+def test_1(act: Action):
+    act.expected_stdout = expected_stdout
+    act.execute(combine_output = True)
+    assert act.clean_stdout == act.clean_expected_stdout