diff --git a/src/Kiota.Builder/Writers/TypeScript/TypeScriptConventionService.cs b/src/Kiota.Builder/Writers/TypeScript/TypeScriptConventionService.cs
index 3e5ad787e7..a963796ba6 100644
--- a/src/Kiota.Builder/Writers/TypeScript/TypeScriptConventionService.cs
+++ b/src/Kiota.Builder/Writers/TypeScript/TypeScriptConventionService.cs
@@ -264,7 +264,7 @@ TYPE_TIME_ONLY or
 
     private static bool IsPrimitiveTypeOrPrimitiveCollection(CodeType codeType, CodeComposedTypeBase codeComposedTypeBase) => IsPrimitiveType(codeType, codeComposedTypeBase, false);
 
-    private static Dictionary<string, string> InvalidCharactersReplacements = new() {
+    private static Dictionary<string, string> InvalidCharactersReplacements = new(StringComparer.OrdinalIgnoreCase) {
         { "\\", "/"},
         { "/*", "//*"}
     };