diff --git a/src/System.Management.Automation/engine/parser/Compiler.cs b/src/System.Management.Automation/engine/parser/Compiler.cs
index aa7873145..2b641bf9b 100644
--- a/src/System.Management.Automation/engine/parser/Compiler.cs
+++ b/src/System.Management.Automation/engine/parser/Compiler.cs
@@ -538,7 +538,7 @@ namespace System.Management.Automation.Language
         internal static readonly Expression CompareOptionsNone = Expression.Constant(CompareOptions.None);
         internal static readonly Expression Ordinal = Expression.Constant(StringComparison.Ordinal);
         internal static readonly Expression InvariantCulture = Expression.Constant(CultureInfo.InvariantCulture);
-        internal static readonly Expression CurrentCultureIgnoreCaseComparer = Expression.Constant(StringComparer.CurrentCultureIgnoreCase, typeof(StringComparer));
+        internal static readonly Expression OrdinalIgnoreCaseComparer = Expression.Constant(StringComparer.OrdinalIgnoreCase, typeof(StringComparer));
         internal static readonly Expression CatchAllType = Expression.Constant(typeof(ExceptionHandlingOps.CatchAll), typeof(Type));
         internal static readonly Expression Empty = Expression.Empty();
         internal static Expression GetExecutionContextFromTLS =
@@ -5756,7 +5756,7 @@ namespace System.Management.Automation.Language
             yield return Expression.Assign(temp,
                 Expression.New(ordered ? CachedReflectionInfo.OrderedDictionary_ctor : CachedReflectionInfo.Hashtable_ctor,
                                 ExpressionCache.Constant(keyValuePairs.Count),
-                                ExpressionCache.CurrentCultureIgnoreCaseComparer.Cast(typeof(IEqualityComparer))));
+                                ExpressionCache.OrdinalIgnoreCaseComparer.Cast(typeof(IEqualityComparer))));
             for (int index = 0; index < keyValuePairs.Count; index++)
             {
                 var keyValuePair = keyValuePairs[index];
diff --git a/test/powershell/Language/Parser/LanguageAndParser.TestFollowup.Tests.ps1 b/test/powershell/Language/Parser/LanguageAndParser.TestFollowup.Tests.ps1
index da50b2e55..edc6a297b 100644
--- a/test/powershell/Language/Parser/LanguageAndParser.TestFollowup.Tests.ps1
+++ b/test/powershell/Language/Parser/LanguageAndParser.TestFollowup.Tests.ps1
@@ -303,3 +303,9 @@ Describe "Hash expression with if statement as value" -Tags "CI" {
         $hash['h'] | Should -BeExactly 'h'
     }
 }
+
+Describe "Hashtable is case insensitive" -Tag CI {
+    It "When LANG is C.UTF-8" -Skip:($IsWindows) {
+        sh -c 'LANG=C.UTF-8 pwsh -NoProfile -Command ''$h=@{p=1};$h.P''' | Should -Be 1
+    }
+}