diff --git a/modules/mono/glue/GodotSharp/GodotSharp/Core/StringExtensions.cs b/modules/mono/glue/GodotSharp/GodotSharp/Core/StringExtensions.cs
index e89bbbd37085..9de6aafc8a9a 100644
--- a/modules/mono/glue/GodotSharp/GodotSharp/Core/StringExtensions.cs
+++ b/modules/mono/glue/GodotSharp/GodotSharp/Core/StringExtensions.cs
@@ -106,7 +106,7 @@ public static int BinToInt(this string instance)
                 instance = instance.Substring(1);
             }
 
-            if (instance.StartsWith("0b"))
+            if (instance.StartsWith("0b", StringComparison.OrdinalIgnoreCase))
             {
                 instance = instance.Substring(2);
             }
@@ -816,7 +816,7 @@ public static int HexToInt(this string instance)
                 instance = instance.Substring(1);
             }
 
-            if (instance.StartsWith("0x"))
+            if (instance.StartsWith("0x", StringComparison.OrdinalIgnoreCase))
             {
                 instance = instance.Substring(2);
             }