diff --git a/environmental_sensors.py b/environmental_sensors.py
index caeebb3eb9c616d4baf884925b57fa26e5e9e53a..f18b351ea62e8f82aab09b9fa5d37879cd2407b3 100644
--- a/environmental_sensors.py
+++ b/environmental_sensors.py
@@ -25,7 +25,7 @@ data_folder = Path('./data')
 data_folder.mkdir(parents=True, exist_ok=True)
 try:
     while(True):
-        current_minute = datetime.now().minute
+        current_month = datetime.now().month
         file_date = datetime.now().strftime('%Y_%m_%d_%H_%M')
         file_name = data_folder/str('sense_hat_data_' + file_date + '.csv')
         with file_name.open('w') as csvfile:
@@ -35,7 +35,7 @@ try:
             while(True):
                 writer.writerow(get_data())
                 time.sleep(1)
-                if(current_minute != datetime.now().minute):
+                if(current_month != datetime.now().month):
                     break
 
 except KeyboardInterrupt: