diff --git a/run/server.sh b/run/server.sh
index 286aaf5..5a3cc21 100644
--- a/run/server.sh
+++ b/run/server.sh
@@ -14,7 +14,7 @@ done
# Serve the page
HTML="
$2
"
-LENGTH="$(echo "$HTML" | wc -c)"
+LENGTH=$(echo "${HTML}" | wc -c)
RESPONSE="HTTP/1.1 200 OK\nContent-Length: ${LENGTH}\nConnection: close\n\n$HTML\n\n"