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diff --git a/src/sage/databases/cremona.py b/src/sage/databases/cremona.py
index 3f8dd62..ed5726a 100644
--- a/src/sage/databases/cremona.py
+++ b/src/sage/databases/cremona.py
@@ -53,7 +53,7 @@ from sage.misc.prandom import randint
import sage.schemes.elliptic_curves.constructor as elliptic
from .sql_db import SQLDatabase, verify_column
-from sage.misc.package import is_package_installed
+from sage.features.databases import DatabaseCremona
from sage.env import SAGE_SHARE
from sage.misc.all import walltime
@@ -825,7 +825,7 @@ class MiniCremonaDatabase(SQLDatabase):
if N < self.largest_conductor():
message = "There is no elliptic curve with label " + label \
+ " in the database"
- elif is_package_installed('database_cremona_ellcurve'):
+ elif DatabaseCremona().is_present():
message = "There is no elliptic curve with label " + label \
+ " in the currently available databases"
else:
@@ -1673,7 +1673,7 @@ def CremonaDatabase(name=None,mini=None,set_global=None):
if name is None and not set_global:
return _db
if set_global and name is None:
- if is_package_installed('database_cremona_ellcurve'):
+ if DatabaseCremona().is_present():
name = 'cremona'
else:
name = 'cremona mini'
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