diff --git a/src/MIDI.hpp b/src/MIDI.hpp
index d03eab1..be7c28a 100644
--- a/src/MIDI.hpp
+++ b/src/MIDI.hpp
@@ -124,7 +124,7 @@ MidiInterface<Transport, Settings, Platform>& MidiInterface<Transport, Settings,
 
     if (mTransport.beginTransmission(inMessage.type))
     {
-        if (inMessage.isSysRT())
+        if (inMessage.isSystemRealTime())
         {
             mTransport.write(inMessage.type);
         } else if (inMessage.isChannelMessage())
diff --git a/src/midi_Message.h b/src/midi_Message.h
index 0b6422e..0879fa3 100644
--- a/src/midi_Message.h
+++ b/src/midi_Message.h
@@ -114,11 +114,11 @@ struct Message
         const unsigned size = unsigned(data2) << 8 | data1;
         return size > sSysExMaxSize ? sSysExMaxSize : size;
     }
-    inline bool isSysRT () const
+    inline bool isSystemRealTime () const
     {
           return (type & 0xf8) == 0xf8;
     }
-    inline bool isSysCommon () const
+    inline bool isSystemCommon () const
     {
           return (type & 0xf8) == 0xf0;
     }