diff --git a/library/mt_snmp.py b/library/mt_snmp.py
index c9ee049..21428c2 100644
--- a/library/mt_snmp.py
+++ b/library/mt_snmp.py
@@ -55,67 +55,67 @@ from ansible.module_utils.basic import AnsibleModule
 
 
 def main():
-    module = AnsibleModule(
-        argument_spec = dict(
-            hostname  = dict(required=True),
-            username  = dict(required=True),
-            password  = dict(required=True),
-            settings  = dict(required=False, type='dict'),
-            parameter = dict(
-                required  = True,
-                choices   = ['community', 'snmp'],
-                type      = 'str'
-            ),
-            state   = dict(
-                required  = False,
-                choices   = ['present', 'absent'],
-                type      = 'str'
-            ),
-        )
+  module = AnsibleModule(
+    argument_spec = dict(
+      hostname  = dict(required=True),
+      username  = dict(required=True),
+      password  = dict(required=True),
+      settings  = dict(required=False, type='dict'),
+      parameter = dict(
+        required  = True,
+        choices   = ['community', 'snmp'],
+        type      = 'str'
+      ),
+      state   = dict(
+        required  = False,
+        choices   = ['present', 'absent'],
+        type      = 'str'
+      ),
+    ),
+    supports_check_mode=True
+  )
+
+  idempotent_parameter = None
+  params = module.params
+
+
+  if params['parameter'] == 'community':
+    idempotent_parameter = 'name'
+    params['parameter'] = "snmp/community"
+
+  mt_obj = MikrotikIdempotent(
+    hostname         = params['hostname'],
+    username         = params['username'],
+    password         = params['password'],
+    state            = params['state'],
+    desired_params   = params['settings'],
+    idempotent_param = idempotent_parameter,
+    api_path         = '/' + str(params['parameter']),
+    check_mode       = module.check_mode
+  )
+
+  mt_obj.sync_state()
+
+  if mt_obj.failed:
+    module.fail_json(
+      msg = mt_obj.failed_msg
     )
-
-    idempotent_parameter = None
-    params = module.params
-
-
-    if params['parameter'] == 'community':
-      idempotent_parameter = 'name'
-      params['parameter'] = "snmp/community"
-
-    mt_obj = MikrotikIdempotent(
-        hostname         = params['hostname'],
-        username         = params['username'],
-        password         = params['password'],
-        state            = params['state'],
-        desired_params   = params['settings'],
-        idempotent_param = idempotent_parameter,
-        api_path         = '/' + str(params['parameter']),
-
+  elif mt_obj.changed:
+    module.exit_json(
+      failed=False,
+      changed=True,
+      msg=mt_obj.changed_msg,
+      diff={ "prepared": {
+        "old": mt_obj.old_params,
+        "new": mt_obj.new_params,
+      }},
+    )
+  else:
+    module.exit_json(
+      failed=False,
+      changed=False,
+      msg=params['settings'],
     )
-
-    mt_obj.sync_state()
-
-    if mt_obj.failed:
-        module.fail_json(
-          msg = mt_obj.failed_msg
-        )
-    elif mt_obj.changed:
-        module.exit_json(
-            failed=False,
-            changed=True,
-            msg=mt_obj.changed_msg,
-            diff={ "prepared": {
-                "old": mt_obj.old_params,
-                "new": mt_obj.new_params,
-            }},
-        )
-    else:
-        module.exit_json(
-            failed=False,
-            changed=False,
-            #msg='',
-            msg=params['settings'],
-        )
 
 if __name__ == '__main__':
   main()
diff --git a/tests/integration/tests.yml b/tests/integration/tests.yml
index 8411d00..f6c50cf 100644
--- a/tests/integration/tests.yml
+++ b/tests/integration/tests.yml
@@ -1632,7 +1632,11 @@
           settings:
             name: to_remove
         register: snmp_community_rem
-        failed_when: not ( snmp_community_rem | changed )
+        failed_when: (
+            not ansible_check_mode
+          ) and (
+            not ( snmp_community_rem | changed )
+          )
 
       - name: ALWAYS_CHANGES modify existing snmp community
         mt_snmp:
@@ -1645,7 +1649,11 @@
             addresses: "10.0.0.0/8"
             name: icghol
         register: snmp_community
-        failed_when: not ( snmp_community | changed )
+        failed_when: (
+            not ansible_check_mode
+          ) and (
+            not ( snmp_community | changed )
+          )
 
       - name: NEVER_CHANGES check idempotency on snmp community
         mt_snmp:
@@ -1658,7 +1666,11 @@
             addresses: "10.0.0.0/8"
             name: icghol
         register: snmp_community_idem
-        failed_when: ( snmp_community_idem | changed )
+        failed_when: (
+            not ansible_check_mode
+          ) and (
+            ( snmp_community_idem | changed )
+          )
 
       - name: edit snmp settings
         mt_snmp:
@@ -1682,7 +1694,11 @@
             trap-community: icghol
             trap-version: 2
         register: snmp_idem
-        failed_when: ( snmp_community_idem | changed )
+        failed_when: (
+            not ansible_check_mode
+          ) and (
+            ( snmp_idem | changed )
+          )
 
       - name: ALWAYS_CHANGES check editing snmp
         mt_snmp:
@@ -1695,7 +1711,11 @@
             trap-community: icghol
             trap-version: 3
         register: snmp_edit
-        failed_when: not ( snmp_edit | changed )
+        failed_when: (
+            not ansible_check_mode
+          ) and (
+            not ( snmp_edit | changed )
+          )
 
       tags: snmp