diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2163ff3677..8174d26263 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - SqlDatabase
   - Fixed logic in `Set-SqlDscDatabaseProperty` so pipeline input is properly
     handled in the cmdlet's `Process` block. ([issue #2456](https://github.com/dsccommunity/SqlServerDsc/issues/2456))
+- SqlRole
+  - Fix if statements checking the parameters are present. ([issue #1702](https://github.com/dsccommunity/SqlServerDsc/issues/1702))
 
 ### Changed
 
diff --git a/source/DSCResources/DSC_SqlRole/DSC_SqlRole.psm1 b/source/DSCResources/DSC_SqlRole/DSC_SqlRole.psm1
index 36ae7b302f..afa74e579b 100644
--- a/source/DSCResources/DSC_SqlRole/DSC_SqlRole.psm1
+++ b/source/DSCResources/DSC_SqlRole/DSC_SqlRole.psm1
@@ -57,8 +57,7 @@ function Get-TargetResource
     if ($sqlServerObject)
     {
         Write-Verbose -Message (
-            $script:localizedData.GetProperties `
-                -f $ServerRoleName
+            $script:localizedData.GetProperties -f $ServerRoleName
         )
 
         if ($sqlServerRoleObject = $sqlServerObject.Roles[$ServerRoleName])
@@ -84,8 +83,8 @@ function Get-TargetResource
         ServerName       = $ServerName
         InstanceName     = $InstanceName
         Members          = $membersInRole
-        MembersToInclude = $null
-        MembersToExclude = $null
+        MembersToInclude = @()
+        MembersToExclude = @()
     }
 }
 
@@ -237,7 +236,7 @@ function Set-TargetResource
 
                 $correctedParameters = Get-CorrectedMemberParameters @originalParameters
 
-                if ($Members)
+                if ($PSBoundParameters.ContainsKey('Members'))
                 {
                     $memberNamesInRoleObject = $sqlServerObject.Roles[$ServerRoleName].EnumMemberNames()
 
@@ -263,7 +262,7 @@ function Set-TargetResource
                 }
                 else
                 {
-                    if ($MembersToInclude)
+                    if ($PSBoundParameters.ContainsKey('MembersToInclude'))
                     {
                         $memberNamesInRoleObject = $sqlServerObject.Roles[$ServerRoleName].EnumMemberNames()
 
@@ -278,7 +277,7 @@ function Set-TargetResource
                         }
                     }
 
-                    if ($MembersToExclude)
+                    if ($PSBoundParameters.ContainsKey('MembersToExclude'))
                     {
                         $memberNamesInRoleObject = $sqlServerObject.Roles[$ServerRoleName].EnumMemberNames()
 
@@ -428,9 +427,9 @@ function Test-TargetResource
             }
             else
             {
-                if ($Members)
+                if ($PSBoundParameters.ContainsKey('Members'))
                 {
-                    if ( $null -ne (Compare-Object -ReferenceObject $getTargetResourceResult.Members -DifferenceObject $correctedParameters.Members))
+                    if ($null -ne (Compare-Object -ReferenceObject $getTargetResourceResult.Members -DifferenceObject $correctedParameters.Members))
                     {
                         Write-Verbose -Message (
                             $script:localizedData.DesiredMembersNotPresent `
@@ -442,7 +441,7 @@ function Test-TargetResource
                 }
                 else
                 {
-                    if ($MembersToInclude)
+                    if ($PSBoundParameters.ContainsKey('MembersToInclude'))
                     {
                         foreach ($memberToInclude in $correctedParameters.MembersToInclude)
                         {
@@ -458,7 +457,7 @@ function Test-TargetResource
                         }
                     }
 
-                    if ($MembersToExclude)
+                    if ($PSBoundParameters.ContainsKey('MembersToExclude'))
                     {
                         foreach ($memberToExclude in $correctedParameters.MembersToExclude)
                         {