diff --git a/lib/device.ps1 b/lib/device.ps1
index df8feb3..d6c3718 100644
--- a/lib/device.ps1
+++ b/lib/device.ps1
@@ -25,7 +25,7 @@ class Device : IRemote {
             return Write-Warning ("ERROR: $($this.identifier()).wdm is write only")
         } `
         {
-            param($arg)
+            param([string]$arg)
             return $this.Setter('wdm', $arg)
         }
     )
@@ -35,7 +35,7 @@ class Device : IRemote {
             return Write-Warning ("ERROR: $($this.identifier()).ks is write only")
         } `
         {
-            param($arg)
+            param([string]$arg)
             return $this.Setter('ks', $arg)
         }
     )
@@ -45,7 +45,7 @@ class Device : IRemote {
             return Write-Warning ("ERROR: $($this.identifier()).mme is write only")
         } `
         {
-            param($arg)
+            param([string]$arg)
             return $this.Setter('mme', $arg)
         }
     )
diff --git a/lib/meta.ps1 b/lib/meta.ps1
index a6b8144..e148f5e 100644
--- a/lib/meta.ps1
+++ b/lib/meta.ps1
@@ -7,7 +7,7 @@ function AddBoolMembers () {
         # Define getter
         $Signatures['Getter'] = "[bool]`$this.Getter('{0}')" -f $param
         # Define setter
-        $Signatures['Setter'] = "param ( [Single]`$arg )`n`$this.Setter('{0}', `$arg)" `
+        $Signatures['Setter'] = "param ( [bool]`$arg )`n`$this.Setter('{0}', `$arg)" `
             -f $param
 
         Addmember
@@ -39,7 +39,7 @@ function AddIntMembers () {
         # Define getter
         $Signatures['Getter'] = "[Int]`$this.Getter('{0}')" -f $param
         # Define setter
-        $Signatures['Setter'] = "param ( [Single]`$arg )`n`$this.Setter('{0}', `$arg)" `
+        $Signatures['Setter'] = "param ( [Int]`$arg )`n`$this.Setter('{0}', `$arg)" `
             -f $param
 
         Addmember