diff --git a/plugins/modules/loadbalancer.py b/plugins/modules/loadbalancer.py
index 57d43dc240e0e5cf745164107187ede0b2c01712..4a220b736f85a20d5be096cc03bc0a730b34da25 100644
--- a/plugins/modules/loadbalancer.py
+++ b/plugins/modules/loadbalancer.py
@@ -125,6 +125,7 @@ options:
                     accessible from.
     elements: dict
     type: list
+    default: []
   wait:
     description:
       - If the module should wait for the load balancer to be created or
diff --git a/plugins/modules/routers_info.py b/plugins/modules/routers_info.py
index 4683e9b1d79f9f14fb7717999e6d3ddbc085836e..a83fc7c4a95c94f4782b23fd527cde7c385ac0fa 100644
--- a/plugins/modules/routers_info.py
+++ b/plugins/modules/routers_info.py
@@ -23,6 +23,7 @@ options:
           this dictionary may be additional dictionaries.
      required: false
      type: dict
+     default: {}
      suboptions:
        project_id:
          description:
diff --git a/plugins/modules/security_group.py b/plugins/modules/security_group.py
index 01173f7f9d9977fa3b14ef0329861b319a3fe542..437320940bc6a10f3b3ac731c94d8cd482f1852f 100644
--- a/plugins/modules/security_group.py
+++ b/plugins/modules/security_group.py
@@ -23,6 +23,7 @@ options:
      description:
         - Long description of the purpose of the security group
      type: str
+     default: ''
    state:
      description:
        - Should the resource be present or absent.
diff --git a/plugins/modules/server.py b/plugins/modules/server.py
index 8bb1e3e071b65b9a875e2908a790ac5a2c8eee84..5cbfd9881b7a4cc9c7cc4bc5f401f7d4dfead563 100644
--- a/plugins/modules/server.py
+++ b/plugins/modules/server.py
@@ -153,6 +153,7 @@ options:
         - This server attribute cannot be updated.
       type: list
       elements: raw
+      default: []
       suboptions:
         tag:
           description:
diff --git a/plugins/modules/stack.py b/plugins/modules/stack.py
index 1ce6d256d821a1c97c67374f9410f3f79f009108..638b1170b2de096ad9d8d0249d78f589f3eaabf1 100644
--- a/plugins/modules/stack.py
+++ b/plugins/modules/stack.py
@@ -34,6 +34,7 @@ options:
       description:
         - Dictionary of parameters for the stack creation
       type: dict
+      default: {}
     rollback:
       description:
         - Rollback stack creation