diff --git a/drivers/UARTSerial.h b/drivers/UARTSerial.h
index ebb5779c1c..a269dea285 100644
--- a/drivers/UARTSerial.h
+++ b/drivers/UARTSerial.h
@@ -56,6 +56,12 @@ public:
      */
     virtual short poll(short events) const;
 
+    /* Resolve ambiguities versus our private SerialBase
+     * (for writable, spelling differs, but just in case)
+     */
+    using FileHandle::readable;
+    using FileHandle::writable;
+
     /** Write the contents of a buffer to a file
      *
      *  @param buffer   The buffer to write from