diff --git a/sysmocom/resources.conf.prod b/sysmocom/resources.conf.prod
index dc60734..01a03f1 100644
--- a/sysmocom/resources.conf.prod
+++ b/sysmocom/resources.conf.prod
@@ -199,14 +199,14 @@
 
 modem:
 - label: sierra_1st
-  path: '/sys/devices/pci0000:00/0000:00:12.2/usb1/1-5/1-5.4/1-5.4.1/1-5.4.1.2'
+  path: '/sys/devices/pci0000:00/0000:00:12.2/usb1/1-5/1-5.2/1-5.2.2'
   ki: 'EBAB63D06C3F546A16C977CB40E57C68'
   auth_algo: 'comp128v1'
   ciphers: [a5_0, a5_1]
   features: ['2g', 'sms', 'voice', 'ussd', 'sim']
 
 - label: sierra_2nd
-  path: '/sys/devices/pci0000:00/0000:00:12.2/usb1/1-5/1-5.4/1-5.4.1/1-5.4.1.3'
+  path: '/sys/devices/pci0000:00/0000:00:12.2/usb1/1-5/1-5.2/1-5.2.3'
   ki: 'EBD2B5F6CF3374106D0A66C11F922001'
   auth_algo: 'comp128v1'
   ciphers: [a5_0, a5_1]