diff --git a/library/insights_register.py b/library/insights_register.py
index 89de8ec..aebf686 100644
--- a/library/insights_register.py
+++ b/library/insights_register.py
@@ -106,44 +106,41 @@ def run_module():
         supports_check_mode=True
     )
 
-    if module.check_mode:
-        return result
-
     state = module.params['state']
     insights_name = module.params['insights_name']
     display_name = module.params['display_name']
     force_reregister = module.params['force_reregister']
 
-    reg_status = subprocess.call([insights_name, '--status'])
+    (reg_status, _, _) = module.run_command([insights_name, '--status'])
 
     if state == 'present':
         result['original_message'] = 'Attempting to register ' + insights_name
         if reg_status == 0 and not force_reregister:
             result['changed'] = False
             result['message'] = 'The Insights API has determined that this machine is already registered'
-            module.exit_json(**result)
         elif reg_status == 0 and force_reregister:
-            subprocess.call([insights_name, '--force-reregister'])
+            if not module.check_mode:
+                module.run_command([insights_name, '--force-reregister'])
             result['changed'] = True
             result['message'] = 'New machine-id created - ' + insights_name + ' has been registered'
-            module.exit_json(**result)
         else:
-            subprocess.call([insights_name, '--register'])
+            if not module.check_mode:
+                module.run_command([insights_name, '--register'])
             result['changed'] = True
             result['message'] = insights_name + ' has been registered'
-            module.exit_json(**result)
 
     if state == 'absent':
         result['original_message'] = 'Attempting to unregister ' + insights_name
         if reg_status is not 0:
             result['changed'] = False
             result['message'] = insights_name + ' is already unregistered'
-            module.exit_json(**result)
         else:
-            subprocess.call([insights_name, '--unregister'])
+            if not module.check_mode:
+                module.run_command([insights_name, '--unregister'])
             result['changed'] = True
             result['message'] = insights_name + ' has been unregistered'
-            module.exit_json(**result)
+
+    module.exit_json(**result)
 
 def main():
     run_module()