diff --git a/firmware/SOURCES b/firmware/SOURCES
index 266c3d1f3d..08ba9b6785 100644
--- a/firmware/SOURCES
+++ b/firmware/SOURCES
@@ -494,7 +494,7 @@ target/coldfire/iaudio/m5/audio-m5.c
 
 #ifdef IRIVER_IFP7XX_SERIES
 #ifdef STUB
-usb_serial.c
+ifp_usb_serial.c
 common/sscanf.c
 #endif /* STUB */
 #endif /* IRIVER_IFP7XX_SERIES */
diff --git a/firmware/export/usb_serial.h b/firmware/export/ifp_usb_serial.h
similarity index 100%
rename from firmware/export/usb_serial.h
rename to firmware/export/ifp_usb_serial.h
diff --git a/firmware/usb_serial.c b/firmware/ifp_usb_serial.c
similarity index 99%
rename from firmware/usb_serial.c
rename to firmware/ifp_usb_serial.c
index 4c49b1b631..635123baa9 100644
--- a/firmware/usb_serial.c
+++ b/firmware/ifp_usb_serial.c
@@ -25,7 +25,7 @@
 /* #include "config.h" */
 #include <stdlib.h>
 #include "pnx0101.h"
-#include "usb_serial.h"
+#include "ifp_usb_serial.h"
 
 #ifdef BUTTONS
 #include "kernel.h"
diff --git a/gdb/arm-stub.c b/gdb/arm-stub.c
index 0717af49c3..9423fcd317 100644
--- a/gdb/arm-stub.c
+++ b/gdb/arm-stub.c
@@ -19,7 +19,7 @@
 
 #include <stdbool.h>
 #include <string.h>
-#include "usb_serial.h"
+#include "ifp_usb_serial.h"
 #include "sscanf.h"
 #include "pnx0101.h"
 #include "gdb_api.h"