diff --git a/tests-extra/tools/dnstest/keystore.py b/tests-extra/tools/dnstest/keystore.py
index 33b1bb7c3..8db6aa11d 100644
--- a/tests-extra/tools/dnstest/keystore.py
+++ b/tests-extra/tools/dnstest/keystore.py
@@ -82,6 +82,8 @@ class KeystoreSoftHSM(Keystore):
                 config = (
                     f"directories.tokendir = {self.dir}/tokens/\n"
                      "objectstore.backend = file\n"
+                     "slots.removable = false\n"
+                     "slots.mechanisms = ALL\n"
                      "log.level = INFO\n"
                 )
                 conf_file.write(config)
diff --git a/tests/libknot/test_dnssec_keystore_pkcs11.c b/tests/libknot/test_dnssec_keystore_pkcs11.c
index d7e4b0adc..52546d246 100644
--- a/tests/libknot/test_dnssec_keystore_pkcs11.c
+++ b/tests/libknot/test_dnssec_keystore_pkcs11.c
@@ -186,6 +186,7 @@ static bool token_init(void)
 	fprintf(file, "objectstore.backend = file\n");
 	fprintf(file, "log.level = INFO\n");
 	fprintf(file, "slots.removable = false\n");
+	fprintf(file, "slots.mechanisms = ALL\n");
 
 	fclose(file);