diff --git a/Lib/Protocols/IdGlobalProtocols.pas b/Lib/Protocols/IdGlobalProtocols.pas
index a5cb2c50e..e5992d30b 100644
--- a/Lib/Protocols/IdGlobalProtocols.pas
+++ b/Lib/Protocols/IdGlobalProtocols.pas
@@ -4884,6 +4884,9 @@   TInt64Rec = record
   {$IFDEF CPUX64}
     {$DEFINE NO_NATIVE_ASM}
   {$ENDIF}
+  {$IFDEF CPUARM64}
+    {$DEFINE NO_NATIVE_ASM}
+  {$ENDIF}
 {$ENDIF}
 {$IFDEF ANDROID}
   {$DEFINE NO_NATIVE_ASM}