diff --git a/rtl/symbian/sysutils.pp b/rtl/symbian/sysutils.pp
index 7c2ab15b79..e555aba7dc 100644
--- a/rtl/symbian/sysutils.pp
+++ b/rtl/symbian/sysutils.pp
@@ -59,7 +59,7 @@ begin
 end;
 
 
-function FileSetDate(Handle, Age: Int64) : LongInt;
+function FileSetDate(Handle : THandle; Age: Int64) : LongInt;
 begin
   result := -1;
 end;