diff --git a/lib/provider/assets/cpu/Get-IcingaProviderDataValuesCpu.psm1 b/lib/provider/assets/cpu/Get-IcingaProviderDataValuesCpu.psm1
index 0455b2f..00a2381 100644
--- a/lib/provider/assets/cpu/Get-IcingaProviderDataValuesCpu.psm1
+++ b/lib/provider/assets/cpu/Get-IcingaProviderDataValuesCpu.psm1
@@ -3,7 +3,7 @@ function Get-IcingaProviderDataValuesCpu()
     param (
         [array]$IncludeFilter      = @(),
         [array]$ExcludeFilter      = @(),
-        [hashtable]$ProviderFilter = @(),
+        [hashtable]$ProviderFilter = @{ },
         [switch]$IncludeDetails    = $FALSE
     );
 
diff --git a/lib/provider/core/Get-IcingaProviderFilterData.psm1 b/lib/provider/core/Get-IcingaProviderFilterData.psm1
index 3739a93..fc36512 100644
--- a/lib/provider/core/Get-IcingaProviderFilterData.psm1
+++ b/lib/provider/core/Get-IcingaProviderFilterData.psm1
@@ -2,7 +2,7 @@ function Get-IcingaProviderFilterData()
 {
     param (
         [string]$ProviderName      = '',
-        [hashtable]$ProviderFilter = @()
+        [hashtable]$ProviderFilter = @{ }
     );
 
     [hashtable]$FilterResult = @{ };
diff --git a/lib/provider/logging/Get-IcingaProviderDataValuesEventlog.psm1 b/lib/provider/logging/Get-IcingaProviderDataValuesEventlog.psm1
index 80cdd40..74f7ebf 100644
--- a/lib/provider/logging/Get-IcingaProviderDataValuesEventlog.psm1
+++ b/lib/provider/logging/Get-IcingaProviderDataValuesEventlog.psm1
@@ -3,7 +3,7 @@ function Get-IcingaProviderDataValuesEventlog()
     param (
         [array]$IncludeFilter      = @(),
         [array]$ExcludeFilter      = @(),
-        [hashtable]$ProviderFilter = @(),
+        [hashtable]$ProviderFilter = @{ },
         [switch]$IncludeDetails    = $FALSE
     );