diff --git a/napalm_opnsense/opnsense.py b/napalm_opnsense/opnsense.py
index bafcd7f..4e75d2a 100644
--- a/napalm_opnsense/opnsense.py
+++ b/napalm_opnsense/opnsense.py
@@ -58,6 +58,8 @@ class OPNsenseDriver(OPNsensePingMixin, FirewallDriver):
 
     VENDOR = "OPNsense"
     DRIVER_NAME = "opnsense"
+    # Everything runs over the REST API; there is no SSH session to open.
+    USES_SSH = False
     SNMP_FINGERPRINT = [
         FingerprintRule("opnsense", weight=8.0, mandatory=True),
     ]