diff --git a/tests/bugs/gh_7586_test.py b/tests/bugs/gh_7586_test.py
new file mode 100644
index 00000000..db443a5b
--- /dev/null
+++ b/tests/bugs/gh_7586_test.py
@@ -0,0 +1,126 @@
+#coding:utf-8
+
+"""
+ID:          issue-7586
+ISSUE:       https://github.com/FirebirdSQL/firebird/issues/7586
+TITLE:       Named arguments for function call, EXECUTE PROCEDURE and procedure record source
+NOTES:
+    [12.01.2024] pzotov
+    Checked on 6.0.0.207
+"""
+
+import pytest
+from firebird.qa import *
+
+db = db_factory()
+
+test_script = """
+    set list on;
+    set term ^;
+    create or alter procedure sp_test (
+         a_1 int default 1
+        ,a_2 int default 2
+        ,a_3 int default 3
+        ,a_4 int default 4
+        ,a_5 int default 5
+    ) returns( o_sum int ) as
+    begin
+        o_sum = a_1 + a_2 + a_3 + a_4+ a_5;
+        suspend;
+    end
+    ^
+    create or alter function fn_test (
+         a_1 int default 1
+        ,a_2 int default 2
+        ,a_3 int default 3
+        ,a_4 int default 4
+        ,a_5 int default 5
+    ) returns int as
+    begin
+        return a_1 + a_2 + a_3 + a_4+ a_5;
+    end
+    ^
+
+    create or alter package pg_test as
+    begin
+        procedure sp(a_1 int default 1, a_2 int default 2, a_3 int default 3, a_4 int default 4, a_5 int default 5) returns(o_sum int);
+        function fn(a_1 int default 1, a_2 int default 2, a_3 int default 3, a_4 int default 4, a_5 int default 5) returns int;
+    end
+    ^
+
+    recreate package body pg_test as
+    begin
+        procedure sp(a_1 int, a_2 int, a_3 int, a_4 int, a_5 int) returns(o_sum int) as
+        begin
+            o_sum = a_1 + a_2 + a_3 + a_4 + a_5;
+            suspend;
+        end
+
+        function fn(a_1 int, a_2 int, a_3 int, a_4 int, a_5 int) returns int as
+        begin
+            return a_1 + a_2 + a_3 + a_4+ a_5;
+        end
+    end
+    ^
+    set term ;^
+    commit;
+
+    select o_sum as standalone_sp_1 from sp_test(a_5 => -9);
+    select o_sum as standalone_sp_2 from sp_test(a_4 => -11, a_5 => 19);
+    select o_sum as standalone_sp_3 from sp_test(default, default, a_5 => 100, a_4 => -50, a_3 => 30);
+    select o_sum as standalone_sp_4 from sp_test(-123, a_4 => 123);
+    select o_sum as standalone_sp_5 from sp_test(-12, -23, default, a_4 => 123);
+
+    ----------------------------------
+
+    select fn_test(a_5 => -9) as standalone_fn_1 from rdb$database;
+    select fn_test(a_4 => -11, a_5 => 19) as standalone_fn_2 from rdb$database;
+    select fn_test(default, default, a_5 => 100, a_4 => -50, a_3 => 30) as standalone_fn_3 from rdb$database;
+    select fn_test(-123, a_4 => 123) as standalone_fn_4 from rdb$database;
+    select fn_test(-12, -23, default, a_4 => 123) as standalone_fn_5 from rdb$database;
+
+    ----------------------------------
+
+    select o_sum as packaged_sp_1 from pg_test.sp(a_5 => -9);
+    select o_sum as packaged_sp_2 from pg_test.sp(a_4 => -11, a_5 => 19);
+    select o_sum as packaged_sp_3 from pg_test.sp(default, default, a_5 => 100, a_4 => -50, a_3 => 30);
+    select o_sum as packaged_sp_4 from pg_test.sp(-123, a_4 => 123);
+    select o_sum as packaged_sp_5 from pg_test.sp(-12, -23, default, a_4 => 123);
+
+    select pg_test.fn(a_5 => -9) as packaged_fn_1 from rdb$database;
+    select pg_test.fn(a_4 => -11, a_5 => 19) as packaged_fn_2 from rdb$database;
+    select pg_test.fn(default, default, a_5 => 100, a_4 => -50, a_3 => 30) as packaged_fn_3 from rdb$database;
+    select pg_test.fn(-123, a_4 => 123) as packaged_fn_4 from rdb$database;
+    select pg_test.fn(-12, -23, default, a_4 => 123) as packaged_fn_5 from rdb$database;
+"""
+
+act = isql_act('db', test_script)
+
+expected_stdout = """
+    STANDALONE_SP_1                 1
+    STANDALONE_SP_2                 14
+    STANDALONE_SP_3                 83
+    STANDALONE_SP_4                 10
+    STANDALONE_SP_5                 96
+    STANDALONE_FN_1                 1
+    STANDALONE_FN_2                 14
+    STANDALONE_FN_3                 83
+    STANDALONE_FN_4                 10
+    STANDALONE_FN_5                 96
+    PACKAGED_SP_1                   1
+    PACKAGED_SP_2                   14
+    PACKAGED_SP_3                   83
+    PACKAGED_SP_4                   10
+    PACKAGED_SP_5                   96
+    PACKAGED_FN_1                   1
+    PACKAGED_FN_2                   14
+    PACKAGED_FN_3                   83
+    PACKAGED_FN_4                   10
+    PACKAGED_FN_5                   96
+"""
+
+@pytest.mark.version('>=6.0')
+def test_1(act: Action):
+    act.expected_stdout = expected_stdout
+    act.execute(combine_output = True)
+    assert act.clean_stdout == act.clean_expected_stdout