diff --git a/windows/win_nssm.ps1 b/windows/win_nssm.ps1
index fa61afdaafc..588a2f22672 100644
--- a/windows/win_nssm.ps1
+++ b/windows/win_nssm.ps1
@@ -149,7 +149,9 @@ Function ParseAppParameters()
         [string]$appParameters
     )
 
-    return ConvertFrom-StringData -StringData $appParameters.TrimStart("@").TrimStart("{").TrimEnd("}").Replace("; ","`n")
+    $escapedAppParameters = $appParameters.TrimStart("@").TrimStart("{").TrimEnd("}").Replace("; ","`n").Replace("\","\\")
+
+    return ConvertFrom-StringData -StringData $escapedAppParameters
 }
 
 
diff --git a/windows/win_nssm.py b/windows/win_nssm.py
index 98be076a48b..c0a4332cc3b 100644
--- a/windows/win_nssm.py
+++ b/windows/win_nssm.py
@@ -86,11 +86,6 @@ options:
       - Password to be used for service startup
     required: false
     default: null
-  password:
-    description:
-      - Password to be used for service startup
-    required: false
-    default: null
   start_mode:
     description:
       - If C(auto) is selected, the service will start at bootup. C(manual) means that the service will start only when another service needs it. C(disabled) means that the service will stay off, regardless if it is needed or not.