diff --git a/lang/basic/src/maketokentab b/lang/basic/src/maketokentab
index 05a049247..bfdbc70b2 100755
--- a/lang/basic/src/maketokentab
+++ b/lang/basic/src/maketokentab
@@ -1,4 +1,4 @@
-ed - Lpars.h <<'+'
+ed -s Lpars.h <<'+'
 1d
 1,$s/# *define //
 1,$s/ ...$//
diff --git a/modules/src/read_em/argtype b/modules/src/read_em/argtype
index 3ca1d7dc9..7eed0a4b5 100755
--- a/modules/src/read_em/argtype
+++ b/modules/src/read_em/argtype
@@ -7,7 +7,7 @@ case x$# in
 		exit 1
 		;;
 esac
-ed - $2 << A
+ed -s $2 << A
 1,/^\$/d
 1,/^\$/d
 1,/^\$/g/^\(...\)	[$1].*/s//\\1/gp