diff --git a/src/kernel.pas b/src/kernel.pas
index 8de23b9b..2d4d19ec 100644
--- a/src/kernel.pas
+++ b/src/kernel.pas
@@ -10,7 +10,7 @@ uses
      bios_data_area,
      keyboard;
  
-procedure kmain(mbinfo: Pmultiboot_info_t; mbmagic: DWORD); stdcall;
+procedure kmain(mbinfo: Pmultiboot_info_t; mbmagic: uint32); stdcall;
  
 implementation