diff --git a/features/unsupported/USBHost/USBHostMSD/USBHostMSD.cpp b/features/unsupported/USBHost/USBHostMSD/USBHostMSD.cpp
index 6279f0f528..9e1c3c8c96 100644
--- a/features/unsupported/USBHost/USBHostMSD/USBHostMSD.cpp
+++ b/features/unsupported/USBHost/USBHostMSD/USBHostMSD.cpp
@@ -403,4 +403,9 @@ bd_size_t USBHostMSD::size() const
     USB_DBG("FILESYSTEM: size ");
     return (disk_init ? (bd_size_t)blockSize : 0);
 }
+
+const char *USBHostMSD::get_type() const
+{
+    return "USBMSD";
+}
 #endif
diff --git a/features/unsupported/USBHost/USBHostMSD/USBHostMSD.h b/features/unsupported/USBHost/USBHostMSD/USBHostMSD.h
index 07233d010a..7ce52fa981 100644
--- a/features/unsupported/USBHost/USBHostMSD/USBHostMSD.h
+++ b/features/unsupported/USBHost/USBHostMSD/USBHostMSD.h
@@ -63,6 +63,7 @@ public:
     virtual bd_size_t get_program_size() const;
     virtual bd_size_t get_erase_size() const;
     virtual bd_size_t size() const;
+    virtual const char *get_type() const;