Queries fail when a model contains underscore and we try to apply a limit

Actually, I've a dead simple schema.yml, with two tables:

T_Media:
actAs:
Timestampable: ~
columns:
media_id:

name: string(25)

J_Acl:
columns:
media_id: integer
relations:
Media:

I have some fixtures:
T_Media:
m1:
name: foobar

J_Acl:
a1:
Media: m1

And then, the DQL query I want to execute:

"From T_Media m INNER JOIN m.J_Acl order by m.created_at limit 1"

But if I run this query, for instance in CLI, I got an error:
./symfony doctrine:dql "From T_Media m INNER JOIN m.J_Acl order by m.created_at limit 1"

SQLSTATE[42S02]: Base table or view not found: 1146 Table 'test_noel.t2__media' doesn't exist.
Failing Query: "SELECT DISTINCT t2.media_id FROM t2_media t2 INNER JOIN j2_acl j2 ON t2.media_id = j2.media_id ORDER BY t2.created_at LIMIT 1"

Notes:

• the query works if I do not apply the limit clause.
• if I remove the underscore from the model, or if I set manually the tableName to remove the double underscore, it works