diff --git a/src/Helpers/Constants.cs b/src/Helpers/Constants.cs
index 0309f800..74a65c4b 100644
--- a/src/Helpers/Constants.cs
+++ b/src/Helpers/Constants.cs
@@ -86,7 +86,7 @@ public class Constants
     /// </summary>
     public static decimal MAX_TX_FEE_RATIO =0.5m;
     
-    public static string IsFrozenTag = "frozen";
+    public const string IsFrozenTag = "frozen";
     
     private static string? GetEnvironmentalVariableOrThrowIfNotTesting(string envVariableName, string? errorMessage = null)
     {