diff --git a/core/servers/content/web.js b/core/servers/content/web.js
index 92aa05c3..8a9903b4 100644
--- a/core/servers/content/web.js
+++ b/core/servers/content/web.js
@@ -223,7 +223,7 @@ exports.getModule = class WebServerModule extends ServerModule {
 			}
 
 			const headers = {
-				'Content-Type'		: mimeTypes.contentType(filePath) || mimeTypes.contentType('.bin'),
+				'Content-Type'		: mimeTypes.contentType(paths.basename(filePath)) || mimeTypes.contentType('.bin'),
 				'Content-Length'	: stats.size,
 			};