diff --git a/src/tja2fumen/constants.py b/src/tja2fumen/constants.py
index 221efa6..1dbe16e 100644
--- a/src/tja2fumen/constants.py
+++ b/src/tja2fumen/constants.py
@@ -43,7 +43,7 @@ FUMEN_NOTE_TYPES = {
 }
 FUMEN_TYPE_NOTES = {v: k for k, v in FUMEN_NOTE_TYPES.items()}
 
-BRANCH_NAMES = ("normal", "advanced", "master")
+BRANCH_NAMES = ("normal", "professional", "master")
 
 TJA_COURSE_NAMES = []
 for difficulty in ['Ura', 'Oni', 'Hard', 'Normal', 'Easy']:
diff --git a/src/tja2fumen/converters.py b/src/tja2fumen/converters.py
index 042888c..95ce197 100644
--- a/src/tja2fumen/converters.py
+++ b/src/tja2fumen/converters.py
@@ -122,7 +122,7 @@ def convert_tja_to_fumen(tja):
     )
 
     # Iterate through the different branches in the TJA
-    total_notes = {'normal': 0, 'advanced': 0, 'master': 0}
+    total_notes = {'normal': 0, 'professional': 0, 'master': 0}
     for current_branch, branch_measures_tja_processed in processed_tja_branches.items():
         if not len(branch_measures_tja_processed):
             continue
@@ -218,7 +218,7 @@ def convert_tja_to_fumen(tja):
                             vals.append(0)
                     if current_branch == 'normal':
                         measure_fumen.branch_info[0:2] = vals
-                    elif current_branch == 'advanced':
+                    elif current_branch == 'professional':
                         measure_fumen.branch_info[2:4] = vals
                     elif current_branch == 'master':
                         measure_fumen.branch_info[4:6] = vals
@@ -239,7 +239,7 @@ def convert_tja_to_fumen(tja):
                         measure_fumen.branch_info[0:2] = (branch_condition[1:] if measure_tja_processed.section or
                                                         not measure_tja_processed.section and not branch_conditions
                                                         else [999, 999])
-                    elif current_branch == 'advanced':
+                    elif current_branch == 'professional':
                         measure_fumen.branch_info[2:4] = branch_condition[1:]
                     elif current_branch == 'master':
                         measure_fumen.branch_info[4:6] = (branch_condition[1:] if measure_tja_processed.section or
@@ -331,9 +331,9 @@ def convert_tja_to_fumen(tja):
         fumen.header.b496_b499_branch_points_balloon = 0
         fumen.header.b500_b503_branch_points_kusudama = 0
 
-    # Compute the ratio between normal and advanced/master branches (just in case the note counts differ)
-    if total_notes['advanced']:
-        fumen.header.b460_b463_normal_professional_ratio = int(65536 * (total_notes['normal'] / total_notes['advanced']))
+    # Compute the ratio between normal and professional/master branches (just in case the note counts differ)
+    if total_notes['professional']:
+        fumen.header.b460_b463_normal_professional_ratio = int(65536 * (total_notes['normal'] / total_notes['professional']))
     if total_notes['master']:
         fumen.header.b464_b467_normal_master_ratio = int(65536 * (total_notes['normal'] / total_notes['master']))
 
diff --git a/src/tja2fumen/parsers.py b/src/tja2fumen/parsers.py
index 3f41e2a..7258943 100644
--- a/src/tja2fumen/parsers.py
+++ b/src/tja2fumen/parsers.py
@@ -197,7 +197,7 @@ def parse_course_measures(course):
                 current_branch = 'normal'
                 idx_m = idx_m_branchstart
             elif line.name == 'E':
-                current_branch = 'advanced'
+                current_branch = 'professional'
                 idx_m = idx_m_branchstart
             elif line.name == 'M':
                 current_branch = 'master'
@@ -365,6 +365,6 @@ def read_fumen(fumen_file, exclude_empty_measures=False):
     #     a converted non-official TJA, then it's useful to  exclude the empty measures.
     if exclude_empty_measures:
         song.measures = [m for m in song.measures
-                         if m.branches['normal'].length or m.branches['advanced'].length or m.branches['master'].length]
+                         if m.branches['normal'].length or m.branches['professional'].length or m.branches['master'].length]
 
     return song
diff --git a/src/tja2fumen/types.py b/src/tja2fumen/types.py
index c596b42..e55a985 100644
--- a/src/tja2fumen/types.py
+++ b/src/tja2fumen/types.py
@@ -27,7 +27,7 @@ class TJACourse:
         self.data = []
         self.branches = {
             'normal': [TJAMeasure()],
-            'advanced': [TJAMeasure()],
+            'professional': [TJAMeasure()],
             'master': [TJAMeasure()]
         }
 
@@ -100,7 +100,7 @@ class FumenMeasure:
         self.barline = barline
         self.branch_start = branch_start
         self.branch_info = [-1, -1, -1, -1, -1, -1] if branch_info is None else branch_info
-        self.branches = {'normal': FumenBranch(), 'advanced': FumenBranch(), 'master': FumenBranch()}
+        self.branches = {'normal': FumenBranch(), 'professional': FumenBranch(), 'master': FumenBranch()}
         self.padding1 = padding1
         self.padding2 = padding2
 
diff --git a/testing/test_conversion.py b/testing/test_conversion.py
index 9929b42..4923d11 100644
--- a/testing/test_conversion.py
+++ b/testing/test_conversion.py
@@ -120,7 +120,7 @@ def test_converted_tja_vs_cached_fumen(id_song, tmp_path, entry_point):
                 assert_song_property(co_measure, ca_measure, 'branch_info', i_measure)
 
             # 3b. Check measure notes
-            for i_branch in ['normal', 'advanced', 'master']:
+            for i_branch in ['normal', 'professional', 'master']:
                 co_branch = co_measure.branches[i_branch]
                 ca_branch = ca_measure.branches[i_branch]
                 # NB: We only check speed for non-empty branches, as fumens store speed changes even for empty branches