diff --git a/rtl/inc/macpas.pp b/rtl/inc/macpas.pp
index 1777b29f91..cc745855d9 100644
--- a/rtl/inc/macpas.pp
+++ b/rtl/inc/macpas.pp
@@ -95,10 +95,10 @@ begin
 end;
 
 
-{$ifdef powerpc}
+{$ifdef cpupowerpc}
 begin
   asm
     mtfsfi 6,1
   end;
-{$endif powerpc}
+{$endif cpupowerpc}
 end.