diff --git a/lib/z80/descr b/lib/z80/descr
index 69006456b..37a362e91 100644
--- a/lib/z80/descr
+++ b/lib/z80/descr
@@ -22,10 +22,10 @@ name asld
 	to a.out
 	program {EM}/lib/{M}_as
 	mapflag -l* LNAME={EM}/{LIB}*
-	args (.e:{HEAD}={EM}/{RT}em) \
+	mapflag -i  IFILE={EM}/{RT}i
+	args {IFILE?} (.e:{HEAD}={EM}/{RT}em) \
 ({RTS}:.c={EM}/{RT}cc) ({RTS}:.p={EM}/{RT}pc) -o > < \
 (.p:{TAIL}={EM}/{LIB}pc) (.c:{TAIL}={EM}/{LIB}cc.1s {EM}/{LIB}cc.2g) \
-(.c.p.e:{TAIL}={EM}/{LIB}alo) (.c.p:{TAIL}={EM}/{LIB}mon) \
-(.e:{TAIL}={EM}/{LIB}em.vend)
+(.p.c:{TAIL}={EM}/{LIB}mon) (.e:{TAIL}={EM}/{LIB}em)
 	prop C
 end