diff --git a/src/stub/l_w32pe.asm b/src/stub/l_w32pe.asm
index 94f43198..36a94b7e 100644
--- a/src/stub/l_w32pe.asm
+++ b/src/stub/l_w32pe.asm
@@ -26,6 +26,7 @@
 ;
 
 
+%define         UPX102  1
 %define         jmps    jmp short
 %define         jmpn    jmp near
 %define         jnzn    jnz near