diff --git a/other/build.nr b/other/build.nr
index 4bf4242..adf4269 100644
--- a/other/build.nr
+++ b/other/build.nr
@@ -1 +1 @@
-1959
+1960
diff --git a/src/ostd/Midi.hpp b/src/ostd/Midi.hpp
index 67064dd..53f04ef 100644
--- a/src/ostd/Midi.hpp
+++ b/src/ostd/Midi.hpp
@@ -25,6 +25,8 @@ namespace ostd
 	        public:
 	            inline bool operator<(const NoteEvent& other) const
 	            {
+					if (startTime == other.startTime)
+						return pitch < other.pitch;
 	                return startTime < other.startTime;
 	            }
 	            inline ostd::String toString(void) const