diff --git a/install/aliasvault-install.sh b/install/aliasvault-install.sh
index 3d5edbcc..a19e11c1 100644
--- a/install/aliasvault-install.sh
+++ b/install/aliasvault-install.sh
@@ -173,6 +173,11 @@ server {
     include /etc/nginx/mime.types;
     default_type application/octet-stream;
 
+    # .mjs files must be served as text/javascript for dynamic import() to work
+    types {
+        application/javascript mjs;
+    }
+
     gzip on;
     gzip_vary on;
     gzip_proxied any;