diff --git a/lib/ansible/modules/database/vertica/vertica_configuration.py b/lib/ansible/modules/database/vertica/vertica_configuration.py
index 318e155c422..f0cd22616fb 100644
--- a/lib/ansible/modules/database/vertica/vertica_configuration.py
+++ b/lib/ansible/modules/database/vertica/vertica_configuration.py
@@ -89,6 +89,7 @@ else:
 
 from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.pycompat24 import get_exception
+from ansible.module_utils._text import to_native
 
 
 class NotSupportedError(Exception):
@@ -198,7 +199,7 @@ def main():
         raise
     except Exception:
         e = get_exception()
-        module.fail_json(msg=e)
+        module.fail_json(msg=to_native(e))
 
     module.exit_json(changed=changed, parameter=parameter_name, ansible_facts={'vertica_configuration': configuration_facts})
 
diff --git a/lib/ansible/modules/database/vertica/vertica_facts.py b/lib/ansible/modules/database/vertica/vertica_facts.py
index ae607e5c7f0..ba0dcd3b16d 100644
--- a/lib/ansible/modules/database/vertica/vertica_facts.py
+++ b/lib/ansible/modules/database/vertica/vertica_facts.py
@@ -81,6 +81,7 @@ else:
 
 from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.pycompat24 import get_exception
+from ansible.module_utils._text import to_native
 
 
 class NotSupportedError(Exception):
@@ -278,7 +279,7 @@ def main():
         raise
     except Exception:
         e = get_exception()
-        module.fail_json(msg=e)
+        module.fail_json(msg=to_native(e))
 
 
 if __name__ == '__main__':
diff --git a/lib/ansible/modules/database/vertica/vertica_role.py b/lib/ansible/modules/database/vertica/vertica_role.py
index 5f8c06b6535..f0878083c64 100644
--- a/lib/ansible/modules/database/vertica/vertica_role.py
+++ b/lib/ansible/modules/database/vertica/vertica_role.py
@@ -100,6 +100,7 @@ else:
 
 from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.pycompat24 import get_exception
+from ansible.module_utils._text import to_native
 
 
 class NotSupportedError(Exception):
@@ -248,7 +249,7 @@ def main():
         raise
     except Exception:
         e = get_exception()
-        module.fail_json(msg=e)
+        module.fail_json(msg=to_native(e))
 
     module.exit_json(changed=changed, role=role, ansible_facts={'vertica_roles': role_facts})
 
diff --git a/lib/ansible/modules/database/vertica/vertica_schema.py b/lib/ansible/modules/database/vertica/vertica_schema.py
index 3a5a5e9b597..0546105a104 100644
--- a/lib/ansible/modules/database/vertica/vertica_schema.py
+++ b/lib/ansible/modules/database/vertica/vertica_schema.py
@@ -124,6 +124,7 @@ else:
 
 from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.pycompat24 import get_exception
+from ansible.module_utils._text import to_native
 
 
 class NotSupportedError(Exception):
@@ -323,7 +324,7 @@ def main():
         raise
     except Exception:
         e = get_exception()
-        module.fail_json(msg=e)
+        module.fail_json(msg=to_native(e))
 
     module.exit_json(changed=changed, schema=schema, ansible_facts={'vertica_schemas': schema_facts})
 
diff --git a/lib/ansible/modules/database/vertica/vertica_user.py b/lib/ansible/modules/database/vertica/vertica_user.py
index 314c9dd42c6..27cb39428de 100644
--- a/lib/ansible/modules/database/vertica/vertica_user.py
+++ b/lib/ansible/modules/database/vertica/vertica_user.py
@@ -137,6 +137,7 @@ else:
 
 from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.pycompat24 import get_exception
+from ansible.module_utils._text import to_native
 
 
 class NotSupportedError(Exception):
@@ -393,7 +394,7 @@ def main():
         raise
     except Exception:
         e = get_exception()
-        module.fail_json(msg=e)
+        module.fail_json(msg=to_native(e))
 
     module.exit_json(changed=changed, user=user, ansible_facts={'vertica_users': user_facts})