diff --git a/bin/http-server b/bin/http-server
index a432dd3e4..ab0a6059c 100755
--- a/bin/http-server
+++ b/bin/http-server
@@ -24,6 +24,7 @@ if (argv.h || argv.help) {
     '  -i           Display autoIndex [true]',
     '  -e --ext     Default file extension if none supplied [none]',
     '  -s --silent  Suppress log messages from output',
+    '  --contentType Define the content-type default value',
     '  --cors[=headers]   Enable CORS via the "Access-Control-Allow-Origin" header',
     '                     Optionally provide CORS headers list separated by commas',
     '  -o [path]    Open browser window after starting the server',
@@ -102,6 +103,10 @@ function listen(port) {
     proxy: proxy
   };
 
+  if (argv.contentType) {
+    options.contentType = argv.contentType;
+  }
+
   if (argv.cors) {
     options.cors = true;
     if (typeof argv.cors === 'string') {