--- a/ncurses/tty/MKexpanded.sh	2017-02-12 09:09:33.828954282 -0600
+++ b/ncurses/tty/MKexpanded.sh	2017-02-12 09:11:03.430673306 -0600
@@ -125,7 +125,7 @@
 EOF
 
 $preprocessor $TMP 2>/dev/null | \
-	sed -e '1,/^IGNORE$/d' -e 's/^@/#/' -e 's/^#if_/#if /'
+	sed -e '1,/^IGNORE$/d' -e 's/^@/#/' -e 's/^#[    ]*if_/#if /'
 
 cat <<EOF
 #else /* ! NCURSES_EXPANDED */