diff --git a/bot/tasks/afc_history.py b/bot/tasks/afc_history.py
index b1b4373..07a0e9f 100644
--- a/bot/tasks/afc_history.py
+++ b/bot/tasks/afc_history.py
@@ -204,4 +204,4 @@ class Task(BaseTask):
         fig.autofmt_xdate()
 
         ax = plt.gca()
-        ax.xaxis.grid(True)
+        ax.yaxis.grid(True)