diff --git a/leakcheck/crypto.py b/leakcheck/crypto.py
index 5db5956..c52b975 100644
--- a/leakcheck/crypto.py
+++ b/leakcheck/crypto.py
@@ -102,10 +102,18 @@
 
 
 
-class Checker_CRL_get_revoked(BaseChecker):
+class Checker_CRL(BaseChecker):
     """
-    Leak checks for L{CRL.get_revoked}.
+    Leak checks for L{CRL.add_revoked} and L{CRL.get_revoked}.
     """
+    def check_add_revoked(self):
+        """
+        Call the add_revoked method repeatedly on an empty CRL.
+        """
+        for i in xrange(self.iterations * 200):
+            CRL().add_revoked(Revoked())
+
+
     def check_get_revoked(self):
         """
         Create a CRL object with 100 Revoked objects, then call the