diff --git a/src/System.Management.Automation/engine/CommandSearcher.cs b/src/System.Management.Automation/engine/CommandSearcher.cs
index d3a1033c932..845cba10138 100644
--- a/src/System.Management.Automation/engine/CommandSearcher.cs
+++ b/src/System.Management.Automation/engine/CommandSearcher.cs
@@ -1087,7 +1087,7 @@ private bool ShouldSkipCommandResolutionForConstrainedLanguage(CommandInfo? resu
             string? result = null;
 
             if (_context.EngineSessionState != null &&
-                _context.EngineSessionState.ProviderCount > 0)
+                _context.EngineSessionState.ProviderCount > 0 && _commandName.Length != 0)
             {
                 // NTRAID#Windows OS Bugs-1009294-2004/02/04-JeffJon
                 // This is really slow.  Maybe since we are only allowing FS paths right
@@ -1099,7 +1099,9 @@ private bool ShouldSkipCommandResolutionForConstrainedLanguage(CommandInfo? resu
                 // Relative Path:       ".\command.exe"
                 // Home Path:           "~\command.exe"
                 // Drive Relative Path: "\Users\User\AppData\Local\Temp\command.exe"
-                if (_commandName[0] == '.' || _commandName[0] == '~' || _commandName[0] == '\\')
+
+                char firstChar = _commandName[0];
+                if (firstChar == '.' || firstChar == '~' || firstChar == '\\')
                 {
                     using (CommandDiscovery.discoveryTracer.TraceScope(
                         "{0} appears to be a relative path. Trying to resolve relative path",
@@ -1334,10 +1336,6 @@ private bool ShouldSkipCommandResolutionForConstrainedLanguage(CommandInfo? resu
         /// </exception>
         internal LookupPathCollection ConstructSearchPatternsFromName(string name, bool commandDiscovery = false)
         {
-            Dbg.Assert(
-                !string.IsNullOrEmpty(name),
-                "Caller should verify name");
-
             var result = new LookupPathCollection();
 
             // First check to see if the commandName has an extension, if so
diff --git a/test/powershell/Modules/Microsoft.PowerShell.Utility/Get-Command.Tests.ps1 b/test/powershell/Modules/Microsoft.PowerShell.Utility/Get-Command.Tests.ps1
index 2dbc01c38db..1292992b092 100644
--- a/test/powershell/Modules/Microsoft.PowerShell.Utility/Get-Command.Tests.ps1
+++ b/test/powershell/Modules/Microsoft.PowerShell.Utility/Get-Command.Tests.ps1
@@ -178,5 +178,14 @@ Describe "Get-Command" -Tag CI {
 
             $Result | Should -BeOfType [System.Management.Automation.CommandInfo]
         }
+
+        It "Throws '<expected>' exception if '<Name>' name is used" -TestCases @(
+            @{ Name = 'space'; Value = ' '; expected = "CommandNotFoundException,Microsoft.PowerShell.Commands.GetCommandCommand" }
+            @{ Name = 'empty'; Value = ''; expected = "ParameterArgumentValidationError,Microsoft.PowerShell.Commands.GetCommandCommand" }
+            @{ Name = 'null'; Value = $null; expected = "ParameterArgumentValidationError,Microsoft.PowerShell.Commands.GetCommandCommand" }
+        ) {
+            param($value, $expected)
+            { Get-Command $value -ErrorAction Stop } | Should -Throw -ErrorId $expected
+        }
     }
 }