diff --git a/build.sh b/build.sh
index 7f4c046..0907946 100755
--- a/build.sh
+++ b/build.sh
@@ -1,19 +1,19 @@
 #!/bin/sh
 
 template () {
-	echo -n "<!doctype html>"
-	echo -n "<meta charset=utf-8>"
-	echo -n "<meta name=viewport content='width=device-width, initial-scale=1.0'>"
-	echo -n "<link rel=stylesheet href=drip.css>"
-	echo -n "<title>$1</title>"
+	echo "<!doctype html>"
+	echo "<meta charset=utf-8>"
+	echo "<meta name=viewport content='width=device-width, initial-scale=1.0'>"
+	echo "<link rel=stylesheet href=drip.css>"
+	echo "<title>$1</title>"
 	if test "$inicio" != true; then
-		echo -n "<a href=.>☚ Volver al inicio</a>"
+		echo "<a href=.>☚ Volver al inicio</a>"
 	fi
 	if test -n "$2"; then
-		echo -n "<header>"
-		echo -n "<h1>$1</h1>"
-		echo -n "<p><small>Último cambio: <time datetime='$(git log -1 --format=%ai "$2")'>$(date -d "@$(git log -1 --format=%at "$2")" '+%Y-%m-%d %H:%M')</time></small></p>"
-		echo -n "</header>"
+		echo "<header>"
+		echo "<h1>$1</h1>"
+		echo "<p><small>Último cambio: <time datetime='$(git log -1 --format=%ai "$2")'>$(date -d "@$(git log -1 --format=%at "$2")" '+%Y-%m-%d %H:%M')</time></small></p>"
+		echo "</header>"
 	fi
 }
 
@@ -25,7 +25,7 @@ cp *.sh *.md *.css *.png *.mp4 "$outdir"
 index="$outdir/index.html"
 inicio=true header=false template "nulo.in" > "$index"
 cmark --unsafe index.md >> "$index"
-echo -n "<h2>Lista de páginas</h2><ul>" >> "$index"
+echo "<h2>Lista de páginas</h2><ul>" >> "$index"
 
 for file in *.md; do
 	test "$(basename "$file")" = index.md && continue
@@ -36,7 +36,7 @@ for file in *.md; do
 	# TODO: hacky
 	sed -i "s/<a /<a rel='noopener noreferrer' /gi" "$outfile"
 	sed -i 's/\[\[\(.*\)\]\]/<a href="\1.html">\1<\/a>/g' "$outfile"
-	echo -n "<li><a href='$title.html'>$title</a></li>" >> "$index"
+	echo "<li><a href='$title.html'>$title</a></li>" >> "$index"
 done
 
-echo -n "</ul>" >> "$index"
+echo "</ul>" >> "$index"
