diff --git a/module_dfu/host/xmos_dfu_osx/testdfu.sh b/module_dfu/host/xmos_dfu_osx/testdfu.sh
index b481e25f..a80c65e6 100755
--- a/module_dfu/host/xmos_dfu_osx/testdfu.sh
+++ b/module_dfu/host/xmos_dfu_osx/testdfu.sh
@@ -4,7 +4,7 @@
 function usage {
     echo "USAGE: testdfu.sh device_pid device_string upgrade1 upgrade2"
     echo "  For example:"
-    echo "    testdfu.sh XMOS_SMART_MIC_PLUS_BASE \"XMOS SmartMic\" upgrade1.bin upgrade2.bin"
+    echo "    testdfu.sh XMOS_VF_SPK_BASE \"XMOS VocalFusion\" upgrade1.bin upgrade2.bin"
     echo "    testdfu.sh 0x0008 \"xCORE\" upgrade1.bin upgrade2.bin"
     exit 1
 }
diff --git a/module_dfu/host/xmos_dfu_osx/xmosdfu.cpp b/module_dfu/host/xmos_dfu_osx/xmosdfu.cpp
index feec85af..89280302 100755
--- a/module_dfu/host/xmos_dfu_osx/xmosdfu.cpp
+++ b/module_dfu/host/xmos_dfu_osx/xmosdfu.cpp
@@ -19,8 +19,8 @@ device_pid_t pidList[] = {
     { "XMOS_L2_AUDIO2_PID",          0x0004},
     { "XMOS_SU1_AUDIO2_PID",         0x0008},
     { "XMOS_U8_MFA_AUDIO2_PID",      0x000A},
-    { "XMOS_SMP_AUDIO2_PID",         0x0010},
-    { "XMOS_SMP_AUDIO1_PID",         0x0011}
+    { "XMOS_VF_SPK_BASE_AUDIO2_PID",         0x0010},
+    { "XMOS_VF_SPK_BASE_AUDIO1_PID",         0x0011}
 };
 
 unsigned int XMOS_DFU_IF = 0;