diff --git a/files/usr/lib/lua/aredn/hardware.lua b/files/usr/lib/lua/aredn/hardware.lua
index d2d614a3..08f34289 100644
--- a/files/usr/lib/lua/aredn/hardware.lua
+++ b/files/usr/lib/lua/aredn/hardware.lua
@@ -260,7 +260,7 @@ function hardware.has_usb()
 end
 
 function hardware.has_wifi()
-    if nixio.fs.stat("/sys/kernel/debug/ieee80211") then
+    if nixio.fs.stat("/sys/kernel/debug/ieee80211/phy0") then
         return true
     else
         return false