diff --git a/lib/ansible/module_utils/k8s/raw.py b/lib/ansible/module_utils/k8s/raw.py
index 080235fc43..d9ea2a040b 100644
--- a/lib/ansible/module_utils/k8s/raw.py
+++ b/lib/ansible/module_utils/k8s/raw.py
@@ -75,6 +75,7 @@ class KubernetesRawModule(KubernetesAnsibleModule):
 
     def __init__(self, k8s_kind=None, *args, **kwargs):
         self.client = None
+        self.warnings = []
 
         mutually_exclusive = [
             ('resource_definition', 'src'),