diff --git a/plotter2.py b/plotter2.py
index 2c51834..64c6aa1 100644
--- a/plotter2.py
+++ b/plotter2.py
@@ -13,8 +13,10 @@ with open("/home/trackingv2/trackingv2.csv", "r") as f:
         writer = csv.writer(write)
         writer.writerow(["fraction_nonv2", "datetime"])
         for row in reader:
-            per = int(row[1]) / int(row[2])
-            per = round(per, 4)
+            per = 0
+            if row[1] != "0" and row[2] != "0":
+                per = int(row[1]) / int(row[2])
+                per = round(per, 4)
             writer.writerow([per, row[3]])
 
 x_axis='datetime'
diff --git a/trackingv2.py b/trackingv2.py
index 42f72bb..c5c31dc 100644
--- a/trackingv2.py
+++ b/trackingv2.py
@@ -31,7 +31,7 @@ while True:
     if re.search("^s.*HSDir", line1, re.IGNORECASE):
         line2 = file.readline()
         numberOfHSDir += 1
-        if re.search("^v.*Tor 0.4.[6-9]", line2, re.IGNORECASE):
+        if re.search("^v.*Tor (0.4.[6-9]|0.3.5.17|0.4.5.11)", line2, re.IGNORECASE):
             numberOfNonv2 += 1
         else:
             numberOfv2 += 1