diff --git a/changelogs/fragments/151-check-auth-params-for-existence.yaml b/changelogs/fragments/151-check-auth-params-for-existence.yaml
new file mode 100644
index 00000000..d251f08f
--- /dev/null
+++ b/changelogs/fragments/151-check-auth-params-for-existence.yaml
@@ -0,0 +1,3 @@
+---
+bugfixes:
+  - check auth params for existence, not whether they are true (https://github.com/ansible-collections/kubernetes.core/pull/151).
diff --git a/plugins/module_utils/common.py b/plugins/module_utils/common.py
index e3a48cca..48e55ec0 100644
--- a/plugins/module_utils/common.py
+++ b/plugins/module_utils/common.py
@@ -124,7 +124,7 @@ def get_api_client(module=None, **kwargs):
 
     # If authorization variables aren't defined, look for them in environment variables
     for true_name, arg_name in AUTH_ARG_MAP.items():
-        if module and module.params.get(arg_name):
+        if module and module.params.get(arg_name) is not None:
             auth[true_name] = module.params.get(arg_name)
         elif arg_name in kwargs and kwargs.get(arg_name) is not None:
             auth[true_name] = kwargs.get(arg_name)