diff --git a/rc/bin/feminize b/rc/bin/feminize
index 30228bb71..de5767ff5 100755
--- a/rc/bin/feminize
+++ b/rc/bin/feminize
@@ -1,3 +1,5 @@
-#!/bin/rc
+#!/bin/sed -f
 
-exec sed 's/ [aeiou]n([a-z][a-z][a-z])/ man\1/; s/ [a-z]em([a-z][a-z][a-z])/ fem\1/; s/ [aeiou]m/ fem/;'
+s/ [aeiou]n([a-z][a-z][a-z])/ man\1/
+s/ [a-z]em([a-z][a-z][a-z])/ fem\1/
+s/ [aeiou]m/ fem/