diff --git a/src/lib.rs b/src/lib.rs
index 16076bd..8dac50d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -31,7 +31,7 @@ impl MidiMessage {
 
     #[must_use]
     pub fn is_note_off(&self) -> bool {
-        (self.msg[0] & 0b1111_0000) == NOTE_OFF_STATUS
+        (self.msg[0] & 0b1111_0000) == NOTE_OFF_STATUS || (self.is_note_on() && self.msg[2] == 0)
     }
 
     /// Get the channel of a message, assuming the message is not a system message.