diff --git a/modules/src/em_code/make.em.gen b/modules/src/em_code/make.em.gen
index 083a6b03f..285b2855f 100755
--- a/modules/src/em_code/make.em.gen
+++ b/modules/src/em_code/make.em.gen
@@ -1,5 +1,5 @@
 echo "/* this part is generated from $1 at: " `date` "*/"
-ed - $1 <<'EOI' 
+ed -s $1 <<'EOI' 
 1,/^$/d
 1,/^$/d
 1,$s/^\(...\)	\(.\).*/\1:\2/
diff --git a/util/ncgg/cvtkeywords b/util/ncgg/cvtkeywords
index 818bf7ed2..10ba2e111 100755
--- a/util/ncgg/cvtkeywords
+++ b/util/ncgg/cvtkeywords
@@ -1,6 +1,6 @@
 : '$Id$'
 grep '^#' y.tab.h >tokendefs
-ed - $1 <<'!Funky!Stuff!'
+ed -s $1 <<'!Funky!Stuff!'
 g/^#/d
 1,$s/\([^ 	]*\)[ 	][ 	]*\(.*\)/	sy_p=lookup("\1",symkeyw,newsymbol);sy_p->sy_value.syv_keywno=\2;/
 1i