Anonymous PL/SQL vs procedure inside package

Question

It's probably quite simple problem but I'm not able to figure it out.
If I make an anonymous PL/SQL block
declare
l_counter number(4);
begin
SELECT *
into l_counter
FROM (SELECT count(*)
FROM SYS.all_objects
WHERE owner IN ('USER1', 'USER2')
AND object_type IN ('TABLE', 'VIEW')
minus
SELECT count(*)
FROM SYS.dba_tab_privs
WHERE grantee = 'TESTERS');
DBMS_OUTPUT.PUT_LINE(l_counter);
end;
then it works. The result is 2 which is correct because select statement returns 2 rows.
If I make procedure with the same code
create or replace PROCEDURE grant_privileges2
IS
l_counter NUMBER (4);
BEGIN
SELECT COUNT (*)
INTO l_counter
FROM (SELECT owner, object_name
FROM SYS.all_objects
WHERE owner IN ('USER1', 'USER2')
AND object_type IN ('TABLE', 'VIEW')
MINUS
SELECT owner, table_name
FROM SYS.dba_tab_privs
WHERE grantee = 'TESTERS);
DBMS_OUTPUT.put_line (l_counter);
END;
result is 0 which is not correct becuase select statement is the same as in anonymous pl/sql and it has to return 2 rows.
What I'm doing wrong?

Answer 1

If the queries are the same then it works for me...
SQL> ed
Wrote file afiedt.buf
  1  declare
  2  l_counter number(4);
  3  begin
  4  SELECT *
  5  into l_counter
  6  FROM (SELECT count(*)
  7  FROM SYS.all_objects
  8  WHERE owner IN ('CRISP_ADMIN', 'CRISP_INTELL')
  9  AND object_type IN ('TABLE', 'VIEW')
10  minus
11  SELECT count(*)
12  FROM SYS.dba_tab_privs
13  WHERE grantee = 'SYSTEM');
14  DBMS_OUTPUT.PUT_LINE(l_counter);
15* end;
SQL> /
431
PL/SQL procedure successfully completed.
SQL> ed
Wrote file afiedt.buf
  1  create or replace procedure mytest is
  2  l_counter number(4);
  3  begin
  4  SELECT *
  5  into l_counter
  6  FROM (SELECT count(*)
  7  FROM SYS.all_objects
  8  WHERE owner IN ('CRISP_ADMIN', 'CRISP_INTELL')
  9  AND object_type IN ('TABLE', 'VIEW')
10  minus
11  SELECT count(*)
12  FROM SYS.dba_tab_privs
13  WHERE grantee = 'SYSTEM');
14  DBMS_OUTPUT.PUT_LINE(l_counter);
15* end;
SQL> /
Procedure created.
SQL> exec mytest;
431
PL/SQL procedure successfully completed.