diff --git a/utils/wasmbin/wasmtext.pas b/utils/wasmbin/wasmtext.pas
index c7e02a7cdc..04130fa991 100644
--- a/utils/wasmbin/wasmtext.pas
+++ b/utils/wasmbin/wasmtext.pas
@@ -25,6 +25,8 @@ interface
 
 // WebAssembly Wabt text utilities
 
+{$mode objfpc}{$H+}
+
 uses
  wasmbincode;