1 files changed, 1 insertions, 1 deletions
diff --git a/src/key.c b/src/key.c
index fa4cd33..0d2826e 100644
--- a/src/key.c
+++ b/src/key.c
@@ -457,7 +457,7 @@ p11t_key_tests(void)
 	{
 		slot = p11t_slot_get_id(j);
 		session = p11t_session_open(slot, 0);
-		if(!session)
+		if(session == CK_INVALID)
 			continue;
 
 		klass = CKO_PUBLIC_KEY;