diff --git a/batterymon.py b/batterymon.py
index a224286..9879ea3 100644
--- a/batterymon.py
+++ b/batterymon.py
@@ -15,11 +15,10 @@ hover = '#C6CAED'
 
 class Application(ctk.CTk):
     def __init__(self):
-        super().__init__(master)
-        self.master = master
-        self.master.title("Battery Monitor")
-        self.master.geometry("960x540")
-        self.master.resizable(False, False)
+        super().__init__()
+        self.title("Battery Monitor")
+        self.geometry("960x540")
+        self.resizable(False, False)
         
         data = []
 
@@ -45,12 +44,12 @@ class Application(ctk.CTk):
         ax.grid()
 
         # Create a canvas to display the plot in the Tkinter window
-        canvas = FigureCanvasTkAgg(fig, master=root)
+        canvas = FigureCanvasTkAgg(fig, master=self)
         canvas.get_tk_widget().pack()
 
     def read_file(self, data):
         with open('/usr/local/etc/data.txt', 'r') as f:
-            reader = csv.reader(csvfile)
+            reader = csv.reader(f)
             for row in reader:
                 data.append(row)
 
diff --git a/install b/install
index b6dd551..da74d6a 100755
--- a/install
+++ b/install
@@ -46,6 +46,7 @@ if [[ "$OSTYPE" == "linux-gnu"* ]]; then
 
     sudo echo "[Unit]" > $SERVICE
     sudo echo "Description=Battery Monitor" >> $SERVICE
+    sudo echo "After=network.target" >> $SERVICE
     sudo echo "[Service]" >> $SERVICE
     sudo echo "ExecStart=$CWD/battery-mon" >> $SERVICE
     sudo echo "User=$USER" >> $SERVICE