diff --git a/lib/icinga/exception/Exit-IcingaMissingPermission.psm1 b/lib/icinga/exception/Exit-IcingaMissingPermission.psm1
index bf1a066..425f984 100644
--- a/lib/icinga/exception/Exit-IcingaMissingPermission.psm1
+++ b/lib/icinga/exception/Exit-IcingaMissingPermission.psm1
@@ -4,17 +4,17 @@ Import-IcingaLib icinga\exception;
 function Exit-IcingaMissingPermission()
 {
     param(
-        [string]$Input,
+        [string]$InputString,
         [string]$StringPattern,
         [string]$CustomMessage,
         [string]$ExeptionType
     );
 
-    if ($null -eq $Input -Or [string]::IsNullOrEmpty($Input)) {
+    if ($null -eq $InputString -Or [string]::IsNullOrEmpty($InputString)) {
         return;
     }
 
-    if (-Not $Input.Contains($StringPattern)) {
+    if (-Not $InputString.Contains($StringPattern)) {
         return;
     }
 
diff --git a/lib/plugins/Invoke-IcingaCheckCPU.psm1 b/lib/plugins/Invoke-IcingaCheckCPU.psm1
index 33f4191..defd00b 100644
--- a/lib/plugins/Invoke-IcingaCheckCPU.psm1
+++ b/lib/plugins/Invoke-IcingaCheckCPU.psm1
@@ -15,7 +15,7 @@ function Invoke-IcingaCheckCPU()
     $CpuCounter  = New-IcingaPerformanceCounter -Counter ([string]::Format('\Processor({0})\% processor time', $Core));
     $CpuPackage  = New-IcingaCheckPackage -Name 'CPU Load' -OperatorAnd -Verbos $Verbose;
 
-    Exit-IcingaMissingPermission -Input $CpuCounter.ErrorMessage -StringPattern '"Global"' -ExeptionType $IcingaExceptions.Throw.PerformanceCounter;
+    Exit-IcingaMissingPermission -InputString $CpuCounter.ErrorMessage -StringPattern '"Global"' -ExeptionType $IcingaExceptions.Throw.PerformanceCounter;
 
     if ($CpuCounter.Counters.Count -ne 0) {
         foreach ($counter in $CpuCounter.Counters) {