diff --git a/snmp/files/snmpd.conf b/snmp/files/snmpd.conf
index 7bfef37..36c8927 100644
--- a/snmp/files/snmpd.conf
+++ b/snmp/files/snmpd.conf
@@ -510,7 +510,7 @@ createUser {{ user.username }} {{ user.get('authproto', 'MD5') }} {{ user.get('a
 {%- endfor %}
 
 {% for declaration, values in config.items() %}
-{%- if values.__class__ in (().__class__, [].__class__) %}
+{%- if values is sequence and values is not mapping and values is not string %}
     {%- for value in values %}
 {{declaration}} {{value}}
     {%- endfor %}
diff --git a/snmp/files/snmpd.conf.minimal b/snmp/files/snmpd.conf.minimal
index f185ed3..b596b0d 100644
--- a/snmp/files/snmpd.conf.minimal
+++ b/snmp/files/snmpd.conf.minimal
@@ -83,7 +83,7 @@ createUser {{ user.username }} {{ user.get('authproto', 'MD5') }} {{ user.passph
 
 # Extra settings
 {% for declaration, values in config.items() %}
-{%- if values.__class__ in (().__class__, [].__class__) %}
+{%- if values is sequence and values is not mapping and values is not string %}
     {%- for value in values %}
 {{declaration}} {{value}}
     {%- endfor %}