diff --git a/Convert_Matlab/inst_eddies_v6.py b/Convert_Matlab/inst_eddies_v6.py
index 34c1b4e287d2a4173c67dc88b6616f02598d9c19..30ab8e3d8d2af74bec1369fece3281e4abf82e55 100755
--- a/Convert_Matlab/inst_eddies_v6.py
+++ b/Convert_Matlab/inst_eddies_v6.py
@@ -143,7 +143,7 @@ while True:
     if os.access(adt_file, os.R_OK):
         print("Processing", my_date, "...")
         os.symlink(adt_file, "adt.mat")
-        pty.spawn(["matlab", "-nojvm", "-r", "inst_eddies"])
+        pty.spawn(["matlab", "-nojvm", "-nodisplay", "-r", "inst_eddies"])
         matlab_data = sio.loadmat("adt_v6.mat", squeeze_me = True,
                                   variable_names = ("date_num", "X", "Y",
                                                     "Anticyclonic_Cell",