diff --git a/firmware/apps/freq_ctr/usb_strings.txt b/firmware/apps/freq_ctr/usb_strings.txt
index f0cd24c..3a1bcc3 100644
--- a/firmware/apps/freq_ctr/usb_strings.txt
+++ b/firmware/apps/freq_ctr/usb_strings.txt
@@ -1,5 +1,5 @@
 sysmocom - s.f.m.c. GmbH
-SIMtrace 2 compatible device
+PRODUCT_STRING
 SIMtrace Sniffer
 SIMtrace CCID
 SIMtrace Card Emulation