diff --git a/Convert_Matlab/Eurec4A_OA/Nanti.mat b/Convert_Matlab/Eurec4A_OA/Nanti.mat
index 6322593a38a5328f73516a6f5d0797e2a9a0fe5c..d7f83b8bb120bff65447025af43c47a0b3653fb1 100644
Binary files a/Convert_Matlab/Eurec4A_OA/Nanti.mat and b/Convert_Matlab/Eurec4A_OA/Nanti.mat differ
diff --git a/Convert_Matlab/Eurec4A_OA/Ncyclo.mat b/Convert_Matlab/Eurec4A_OA/Ncyclo.mat
index 817861b904a56d5680685cd27e0c5b2e23551c7f..7501068d13b84a9354abf469cb2d106ab8a2a0e2 100644
Binary files a/Convert_Matlab/Eurec4A_OA/Ncyclo.mat and b/Convert_Matlab/Eurec4A_OA/Ncyclo.mat differ
diff --git a/Convert_Matlab/overlap.m b/Convert_Matlab/overlap.m
index a6390f847b10ba958f39ca80e455d6de462c11be..adf026debba1305342faa29c4f4ca3fe3d92efa9 100644
--- a/Convert_Matlab/overlap.m
+++ b/Convert_Matlab/overlap.m
@@ -25,12 +25,14 @@ toc
 clear
 disp('Processing Parameters_Anticyclonic_Eddies...')
 load('Parameters_Anticyclonic_Eddies.mat', 'Nanti', 'date_num')
-save('Nanti', 'Nanti', '-v6')
+N_eddies = Nanti;
+save('Nanti', 'N_eddies', '-v6')
 save('date_num', 'date_num', '-v6')
 
 clear
 disp('Processing Parameters_Cyclonic_Eddies...')
 load('Parameters_Cyclonic_Eddies.mat', 'Ncyclo')
-save('Ncyclo', 'Ncyclo', '-v6')
+N_eddies = Ncyclo;
+save('Ncyclo', 'N_eddies', '-v6')
 
 exit
diff --git a/Convert_Matlab/overlap_v6.py b/Convert_Matlab/overlap_v6.py
index 700219119625173b213f0e065be15dfddae23a66..2da4352aee4f87a46cebfb4b75b61cda34444fe0 100755
--- a/Convert_Matlab/overlap_v6.py
+++ b/Convert_Matlab/overlap_v6.py
@@ -28,8 +28,8 @@ def adjust_n(n_Matlab):
 orientation = sys.argv[1] # "cyclo" or "anti"
 id_child = sio.loadmat(f"id_child_{orientation}.mat", squeeze_me=True)\
     ["id_child"]
-n_eddies = sio.loadmat(f"N{orientation}.mat", squeeze_me = True)\
-    [f"N{orientation}"].astype(int, casting = "safe", copy = False)
+n_eddies = sio.loadmat(f"N{orientation}.mat", squeeze_me = True)["N_eddies"]\
+              .astype(int, casting = "safe", copy = False)
 date_num = sio.loadmat("date_num.mat", squeeze_me = True)["date_num"]
 n_dates = n_eddies.size
 print("n_dates =", n_dates)