diff --git a/lib/descr/fe.src b/lib/descr/fe.src
index b5c93c63..d1d0a1cc 100644
--- a/lib/descr/fe.src
+++ b/lib/descr/fe.src
@@ -52,7 +52,7 @@ name pc
  name abc
 	from .b
 	to .e
-	program /usr/mk/bin/bem
+	program {EM}/lib/em_bem
 	mapflag -h ABC_F={ABC_F?} -h
 	mapflag -w ABC_F={ABC_F?} -w
 	mapflag -L ABC_F={ABC_F?} -L