diff --git a/plot.py b/plot.py
index e9cc4365..1cffa345 100644
--- a/plot.py
+++ b/plot.py
@@ -68,7 +68,7 @@ def mean_y(algo):
     # plt.gca().set_position([box.x0, box.y0, box.width * 0.8, box.height])
     ax.legend(handles, labels, loc='center left',
               bbox_to_anchor=(1, 0.5), prop={'size': 9})
-    plt.grid(b=True, which='major', color='0.65', linestyle='-')
+    plt.grid(visible=True, which='major', color='0.65', linestyle='-')
     plt.setp(ax.get_xminorticklabels(), visible=True)
 
     # Logit scale has to be a subset of (0,1)