diff --git a/src/Kiota.Builder/Extensions/StringExtensions.cs b/src/Kiota.Builder/Extensions/StringExtensions.cs
index de3fb3509d..e903d3fe03 100644
--- a/src/Kiota.Builder/Extensions/StringExtensions.cs
+++ b/src/Kiota.Builder/Extensions/StringExtensions.cs
@@ -218,7 +218,7 @@ public static string CleanupSymbolName(this string? original)
         {'=', "Equal"},
         {'>', "GreaterThan"},
         {'?', "QuestionMark"},
-        {'~', "Tilda" },
+        {'~', "Tilde" },
     };
 
     /// <summary>
diff --git a/tests/Kiota.Builder.Tests/Writers/CSharp/CodeEnumWriterTests.cs b/tests/Kiota.Builder.Tests/Writers/CSharp/CodeEnumWriterTests.cs
index ea3dfbcf27..592ebafdbf 100644
--- a/tests/Kiota.Builder.Tests/Writers/CSharp/CodeEnumWriterTests.cs
+++ b/tests/Kiota.Builder.Tests/Writers/CSharp/CodeEnumWriterTests.cs
@@ -85,6 +85,7 @@ public void NamesDontDiffer_DoesntWriteEnumMember()
     [InlineData("\\", "BackSlash")]
     [InlineData("?", "QuestionMark")]
     [InlineData("$", "Dollar")]
+    [InlineData("~", "Tilde")]
     [InlineData("double", "Double")]
     [InlineData("string", "String")]
     [InlineData("Invalid lorem’s", "InvalidLoremS")]