diff --git a/firmware/hackrf_usb/hackrf_usb.c b/firmware/hackrf_usb/hackrf_usb.c
index 0f452f57..21d05b53 100644
--- a/firmware/hackrf_usb/hackrf_usb.c
+++ b/firmware/hackrf_usb/hackrf_usb.c
@@ -96,7 +96,7 @@ void update_switches(void)
 #define MIN_HP_FREQ_MHZ (2700)
 #define MAX_HP_FREQ_MHZ (6800)
 
-static uint32_t MAX2837_FREQ_NOMINAL_HZ=2600000000;
+static uint32_t MAX2837_FREQ_NOMINAL_HZ=2700000000;
 #define MAX2837_FREQ_NOMINAL_MHZ (MAX2837_FREQ_NOMINAL_HZ / FREQ_ONE_MHZ)
 
 uint32_t freq_mhz_cache=100, freq_hz_cache=0;
diff --git a/firmware/hackrf_usb/usb_descriptor.c b/firmware/hackrf_usb/usb_descriptor.c
index e27218bb..4eb1fe79 100644
--- a/firmware/hackrf_usb/usb_descriptor.c
+++ b/firmware/hackrf_usb/usb_descriptor.c
@@ -24,7 +24,7 @@
 #include "usb_type.h"
 
 #define USB_VENDOR_ID			(0x1D50)
-#define USB_PRODUCT_ID			(0x604B)
+#define USB_PRODUCT_ID			(0xFFFF)
 
 #define USB_WORD(x)	(x & 0xFF), ((x >> 8) & 0xFF)
 
diff --git a/host/libhackrf/src/hackrf.c b/host/libhackrf/src/hackrf.c
index 7e36dc55..d34f4757 100644
--- a/host/libhackrf/src/hackrf.c
+++ b/host/libhackrf/src/hackrf.c
@@ -113,7 +113,7 @@ static const max2837_ft_t max2837_ft[] = {
 volatile bool do_exit = false;
 
 static const uint16_t hackrf_usb_vid = 0x1d50;
-static const uint16_t hackrf_usb_pid = 0x604b;
+static const uint16_t hackrf_usb_pid = 0xffff;
 
 static libusb_context* g_libusb_context = NULL;