diff --git a/src/Microsoft.PowerShell.Commands.Utility/commands/utility/WebCmdlet/Common/WebRequestPSCmdlet.Common.cs b/src/Microsoft.PowerShell.Commands.Utility/commands/utility/WebCmdlet/Common/WebRequestPSCmdlet.Common.cs
index 1d06490509..d082020bb2 100644
--- a/src/Microsoft.PowerShell.Commands.Utility/commands/utility/WebCmdlet/Common/WebRequestPSCmdlet.Common.cs
+++ b/src/Microsoft.PowerShell.Commands.Utility/commands/utility/WebCmdlet/Common/WebRequestPSCmdlet.Common.cs
@@ -805,7 +805,8 @@ namespace Microsoft.PowerShell.Commands
 
         private string GetBasicAuthorizationHeader()
         {
-            string unencoded = string.Format("{0}:{1}", Credential.UserName, Credential.GetNetworkCredential().Password);
+            var password = new NetworkCredential(null, Credential.Password).Password;
+            string unencoded = string.Format("{0}:{1}", Credential.UserName, password);
             byte[] bytes = Encoding.UTF8.GetBytes(unencoded);
             return string.Format("Basic {0}", Convert.ToBase64String(bytes));
         }
diff --git a/test/powershell/Modules/Microsoft.PowerShell.Utility/WebCmdlets.Tests.ps1 b/test/powershell/Modules/Microsoft.PowerShell.Utility/WebCmdlets.Tests.ps1
index 9f69785cd1..3047325283 100644
--- a/test/powershell/Modules/Microsoft.PowerShell.Utility/WebCmdlets.Tests.ps1
+++ b/test/powershell/Modules/Microsoft.PowerShell.Utility/WebCmdlets.Tests.ps1
@@ -1455,6 +1455,20 @@ Describe "Invoke-WebRequest tests" -Tags "Feature", "RequireAdminOnWindows" {
             $result.Headers.Authorization | Should -BeExactly "Basic dGVzdHVzZXI6dGVzdHBhc3N3b3Jk"
         }
 
+        It "Verifies Invoke-WebRequest -Authentication Basic with null username" {
+            $credential = [pscredential]::new([PSCustomObject]@{UserName = $null;Password=$token.psobject.BaseObject})
+            $params = @{
+                Uri                  = $httpsUri
+                Authentication       = "Basic"
+                Credential           = $credential
+                SkipCertificateCheck = $true
+            }
+            $Response = Invoke-WebRequest @params
+            $result = $response.Content | ConvertFrom-Json
+
+            $result.Headers.Authorization | Should -BeExactly "Basic OnRlc3RwYXNzd29yZA=="
+        }
+
         It "Verifies Invoke-WebRequest -Authentication <Authentication>" -TestCases $testCases {
             param($Authentication)
             $params = @{
@@ -2779,6 +2793,19 @@ Describe "Invoke-RestMethod tests" -Tags "Feature", "RequireAdminOnWindows" {
             $result.Headers.Authorization | Should -BeExactly "Basic dGVzdHVzZXI6dGVzdHBhc3N3b3Jk"
         }
 
+        It "Verifies Invoke-RestMethod -Authentication Basic with null username" {
+            $credential = [pscredential]::new([PSCustomObject]@{UserName = $null;Password=$token.psobject.BaseObject})
+            $params = @{
+                Uri                  = $httpsUri
+                Authentication       = "Basic"
+                Credential           = $credential
+                SkipCertificateCheck = $true
+            }
+            $Response = Invoke-RestMethod @params
+
+            $Response.Headers.Authorization | Should -BeExactly "Basic OnRlc3RwYXNzd29yZA=="
+        }
+
         It "Verifies Invoke-RestMethod -Authentication <Authentication>" -TestCases $testCases {
             param($Authentication)
             $params = @{