diff --git a/compiler/i8086/cgcpu.pas b/compiler/i8086/cgcpu.pas
index d6fb81ed9f..4a9b2ce842 100644
--- a/compiler/i8086/cgcpu.pas
+++ b/compiler/i8086/cgcpu.pas
@@ -1792,7 +1792,7 @@ unit cgcpu;
             list.concat(taicpu.op_reg(A_PUSH,S_W,NR_BX)); { allocate space for address}
             list.concat(taicpu.op_reg(A_PUSH,S_W,NR_BX));
             list.concat(taicpu.op_reg(A_PUSH,S_W,NR_DI));
-            getselftobx(8);
+            getselftobx(6);
             loadvmttobx;
             loadmethodoffstobx;
             { set target address