diff --git a/tja2fumen/converters.py b/tja2fumen/converters.py
index 6569c51..85a1570 100644
--- a/tja2fumen/converters.py
+++ b/tja2fumen/converters.py
@@ -4,7 +4,7 @@ from constants import TJA_NOTE_TYPES, unknownHeaderSample
 
 # Filler metadata that the `writeFumen` function expects
 default_note = {'type': '', 'pos': 0.0, 'item': 0, 'padding': 0.0,
-                'scoreInit': 0, 'scoreDiff': 0, 'durationPadding': 0.0}
+                'scoreInit': 0, 'scoreDiff': 0, 'duration': 0.0}
 default_branch = {'length': 0, 'padding': 0, 'speed': 1.0}
 default_measure = {
     'bpm': 0.0,
diff --git a/tja2fumen/parsers.py b/tja2fumen/parsers.py
index 189a03c..1fb0b91 100644
--- a/tja2fumen/parsers.py
+++ b/tja2fumen/parsers.py
@@ -434,7 +434,7 @@ def readFumen(fumenFile, byteOrder=None, debug=False):
                     # Drumroll and balloon duration in ms
                     note["duration"] = noteStruct[6]
                 else:
-                    note['durationPadding'] = noteStruct[6]
+                    note['duration'] = noteStruct[6]
 
                 # Print debug information about the note
                 if debug:
diff --git a/tja2fumen/writers.py b/tja2fumen/writers.py
index 2a105f8..93096f8 100644
--- a/tja2fumen/writers.py
+++ b/tja2fumen/writers.py
@@ -53,10 +53,7 @@ def writeFumen(file, song):
                 else:
                     noteStruct.extend([note['scoreInit'], note['scoreDiff'] * 4])
                 # Drumroll or balloon duration
-                if 'duration' in note.keys():
-                    noteStruct.append(note['duration'])
-                else:
-                    noteStruct.append(note['durationPadding'])
+                noteStruct.append(note['duration'])
                 writeStruct(file, order, format_string="ififHHf", value_list=noteStruct)
                 if note['type'].lower() == "drumroll":
                     file.write(note['drumrollBytes'])