diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2887ff3a64..5b48049cdc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@
   * Fixed bug where an empty value was passed in the request for the
     insiderRiskLevels parameter, which throws an error.
     FIXES [#5389](https://github.com/microsoft/Microsoft365DSC/issues/5389)
+* EXOATPBuiltInProtectionRule, EXOEOPProtectionRule
+  * Fixed issue where empty arrays were being compared incorrectly to null
+    strings
+    FIXES [#5394](https://github.com/microsoft/Microsoft365DSC/issues/5394)
 * IntuneAccountProtectionLocalAdministratorPasswordSolutionPolicy
   * Update property `PasswordAgeDays_AAD` to be lower-case.
     FIXES [#5378](https://github.com/microsoft/Microsoft365DSC/issues/5378) (1/2)
diff --git a/Modules/Microsoft365DSC/DSCResources/MSFT_EXOATPBuiltInProtectionRule/MSFT_EXOATPBuiltInProtectionRule.psm1 b/Modules/Microsoft365DSC/DSCResources/MSFT_EXOATPBuiltInProtectionRule/MSFT_EXOATPBuiltInProtectionRule.psm1
index 81087e37ee..8deb5252dc 100644
--- a/Modules/Microsoft365DSC/DSCResources/MSFT_EXOATPBuiltInProtectionRule/MSFT_EXOATPBuiltInProtectionRule.psm1
+++ b/Modules/Microsoft365DSC/DSCResources/MSFT_EXOATPBuiltInProtectionRule/MSFT_EXOATPBuiltInProtectionRule.psm1
@@ -249,6 +249,21 @@ function Test-TargetResource
     Write-Verbose -Message "Current Values: $(Convert-M365DscHashtableToString -Hashtable $CurrentValues)"
     Write-Verbose -Message "Target Values: $(Convert-M365DscHashtableToString -Hashtable $ValuesToCheck)"
 
+    foreach ($key in $ValuesToCheck.Keys)
+    {
+        if ($null -eq $CurrentValues[$key])
+        {
+            switch -regex ($key)
+            {
+                "^ExceptIf\w+$"
+                {
+                    $CurrentValues[$key] = @()
+                    break
+                }
+            }
+        }
+    }
+
     $testResult = Test-M365DSCParameterState -CurrentValues $CurrentValues `
         -Source $($MyInvocation.MyCommand.Source) `
         -DesiredValues $PSBoundParameters `
diff --git a/Modules/Microsoft365DSC/DSCResources/MSFT_EXOEOPProtectionPolicyRule/MSFT_EXOEOPProtectionPolicyRule.psm1 b/Modules/Microsoft365DSC/DSCResources/MSFT_EXOEOPProtectionPolicyRule/MSFT_EXOEOPProtectionPolicyRule.psm1
index 2ae3854191..b2fd449dd0 100644
--- a/Modules/Microsoft365DSC/DSCResources/MSFT_EXOEOPProtectionPolicyRule/MSFT_EXOEOPProtectionPolicyRule.psm1
+++ b/Modules/Microsoft365DSC/DSCResources/MSFT_EXOEOPProtectionPolicyRule/MSFT_EXOEOPProtectionPolicyRule.psm1
@@ -374,13 +374,26 @@ function Test-TargetResource
     Write-Verbose -Message "Current Values: $(Convert-M365DscHashtableToString -Hashtable $CurrentValues)"
     Write-Verbose -Message "Target Values: $(Convert-M365DscHashtableToString -Hashtable $ValuesToCheck)"
 
-    #Convert any DateTime to String
     foreach ($key in $ValuesToCheck.Keys)
     {
+        # Convert any DateTime to String
         if (($null -ne $CurrentValues[$key]) `
                 -and ($CurrentValues[$key].GetType().Name -eq 'DateTime'))
         {
             $CurrentValues[$key] = $CurrentValues[$key].toString()
+            continue
+        }
+
+        if ($null -eq $CurrentValues[$key])
+        {
+            switch -regex ($key)
+            {
+                "^ExceptIf\w+$|^RecipientDomainIs$|^SentTo(\w+)?$"
+                {
+                    $CurrentValues[$key] = @()
+                    break
+                }
+            }
         }
     }