diff --git a/frontend/device/generic/device.lua b/frontend/device/generic/device.lua
index 1793be962..baa8a8d92 100644
--- a/frontend/device/generic/device.lua
+++ b/frontend/device/generic/device.lua
@@ -25,6 +25,7 @@ local Device = {
     -- (these are functions!)
     isKindle = no,
     isKobo = no,
+    isPocketBook = no,
     isAndroid = no,
     isEmulator = no,