diff --git a/data/fprintd.service.in b/data/fprintd.service.in
index 47297f9..ea311e4 100644
--- a/data/fprintd.service.in
+++ b/data/fprintd.service.in
@@ -40,3 +40,6 @@ NoNewPrivileges=true
 ProtectClock=yes
 DeviceAllow=char-usb_device rw
 DeviceAllow=char-spi rw
+
+# Allow tuning USB parameters (wakeup and persist)
+ReadWritePaths=/sys/devices