diff --git a/changelogs/fragments/11-action-plugins-use-fqcn.yml b/changelogs/fragments/11-action-plugins-use-fqcn.yml
new file mode 100644
index 0000000..a96bd80
--- /dev/null
+++ b/changelogs/fragments/11-action-plugins-use-fqcn.yml
@@ -0,0 +1,5 @@
+---
+bugfixes:
+  - patch - fix FQCN usage for action plugin (https://github.com/ansible-collections/ansible.posix/issues/11)
+  - synchronize - fix FQCN usage for action plugin (https://github.com/ansible-collections/ansible.posix/issues/11)
+
diff --git a/plugins/action/patch.py b/plugins/action/patch.py
index f4ad7ce..3b477d7 100644
--- a/plugins/action/patch.py
+++ b/plugins/action/patch.py
@@ -64,7 +64,7 @@ class ActionModule(ActionBase):
                 )
             )
 
-            result.update(self._execute_module('patch', module_args=new_module_args, task_vars=task_vars))
+            result.update(self._execute_module('ansible.posix.patch', module_args=new_module_args, task_vars=task_vars))
         except AnsibleAction as e:
             result.update(e.result)
         finally:
diff --git a/plugins/action/synchronize.py b/plugins/action/synchronize.py
index 527c72d..a1f5795 100644
--- a/plugins/action/synchronize.py
+++ b/plugins/action/synchronize.py
@@ -415,6 +415,6 @@ class ActionModule(ActionBase):
                 _tmp_args['rsync_opts'].append("--rsh=buildah run --")
 
         # run the module and store the result
-        result.update(self._execute_module('synchronize', module_args=_tmp_args, task_vars=task_vars))
+        result.update(self._execute_module('ansible.posix.synchronize', module_args=_tmp_args, task_vars=task_vars))
 
         return result