diff --git a/phagetermvirome/IData_handling.py b/phagetermvirome/IData_handling.py
index b75abe58db871d23cd9423cfe1953715a9aea209..ec4cbf4a40991645e86350fe7befe946c80c68da 100755
--- a/phagetermvirome/IData_handling.py
+++ b/phagetermvirome/IData_handling.py
@@ -294,8 +294,10 @@ def totReads(filin):
         filein = open(filin, 'r')
     line = 0
     with io.BufferedReader(filein, buffer_size=bufsize) as buffered_f:
+        for l in buffered_f:
+            line+=1
     #while filein.readline():
-        line += 1
+    #    line += 1
     seq = float(round(line / 4))
     filein.close()
     end_t = time.perf_counter_ns()