diff --git a/lib/ansible/modules/windows/win_share.ps1 b/lib/ansible/modules/windows/win_share.ps1
index 955bf4a8566..32ba68c878e 100644
--- a/lib/ansible/modules/windows/win_share.ps1
+++ b/lib/ansible/modules/windows/win_share.ps1
@@ -138,7 +138,7 @@ Try {
         $permissionFull = Get-AnsibleParam -obj $params -name "full" -type "str" -default "" | NormalizeAccounts
         $permissionDeny = Get-AnsibleParam -obj $params -name "deny" -type "str" -default "" | NormalizeAccounts
 
-        $cachingMode = Get-Attr $params "caching_mode" "" -validateSet "BranchCache","Documents","Manual","None","Programs", "Unkown"
+        $cachingMode = Get-AnsibleParam -obj $params -name "caching_mode" -type "str" -default "None" -validateSet "BranchCache","Documents","Manual","None","Programs", "Unkown"
 
         If (-Not (Test-Path -Path $path)) {
             Fail-Json $result "$path directory does not exist on the host"
diff --git a/lib/ansible/modules/windows/win_share.py b/lib/ansible/modules/windows/win_share.py
index 57992fc17ac..32f0576e0ba 100644
--- a/lib/ansible/modules/windows/win_share.py
+++ b/lib/ansible/modules/windows/win_share.py
@@ -96,6 +96,7 @@ options:
       - Programs
       - Unknown
     required: no
+    default: "None"
 author: Hans-Joachim Kliemeck (@h0nIg), David Baumann (@daBONDi)
 '''