diff --git a/index.js b/index.js
index 0a248e4..a02b3b4 100644
--- a/index.js
+++ b/index.js
@@ -193,6 +193,7 @@ class Fuse extends Nanoresource {
     if (this.opts.remember) options.push('remember=' + this.opts.remember)
     if (this.opts.modules) options.push('modules=' + this.opts.modules)
     if (this.opts.useIno) options.push('use_ino')
+    if (this.opts.dev) options.push('dev')
 
     if (this.opts.displayFolder && IS_OSX) { // only works on osx
       options.push('volname=' + path.basename(this.opts.name || this.mnt))