diff --git a/adb/usb_vendors.c b/adb/usb_vendors.c
index 68bb232..4c0eec5 100644
--- a/adb/usb_vendors.c
+++ b/adb/usb_vendors.c
@@ -155,7 +155,10 @@
 #define VENDOR_ID_QISDA         0x1D45
 // ECS's USB Vendor ID
 #define VENDOR_ID_ECS           0x03fc
-
+// MSI's USB Vendor ID
+#define VENDOR_ID_MSI           0x1462
+// Wacom's USB Vendor ID
+#define VENDOR_ID_WACOM         0x0531
 
 /** built-in vendor list */
 int builtInVendorIds[] = {
@@ -219,6 +222,8 @@
     VENDOR_ID_NOOK,
     VENDOR_ID_QISDA,
     VENDOR_ID_ECS,
+    VENDOR_ID_MSI,
+    VENDOR_ID_WACOM,
 };
 
 #define BUILT_IN_VENDOR_COUNT    (sizeof(builtInVendorIds)/sizeof(builtInVendorIds[0]))