diff --git a/simple_rl/utils/chart_utils.py b/simple_rl/utils/chart_utils.py
index dac809f..709ea4a 100644
--- a/simple_rl/utils/chart_utils.py
+++ b/simple_rl/utils/chart_utils.py
@@ -297,7 +297,7 @@ def plot(results, experiment_dir, agents, plot_file_name="", conf_intervals=[],
             open_cmd = "start"
         else:
             # open on linux/osx
-            open_cmd = ("gnome-" if sys.platform == "linux" or sys.platform == "linux2" else "") + "open"
+            open_cmd = ("xdg-" if sys.platform == "linux" or sys.platform == "linux2" else "") + "open"
         subprocess.check_call([open_cmd, plot_file_name], shell=os.name=='nt')
 
     # Clear and close.