diff --git a/csvdb.py b/csvdb.py
index 153f413..c3585f8 100755
--- a/csvdb.py
+++ b/csvdb.py
@@ -4,11 +4,11 @@ import tools
 
 import sqlite3, csv, sys
 
-def makeDB(path=tools.dbpath()):
+def makeDB(path=tools.dbpath(), infile='tweets.csv'):
  try:
-  infile = open('tweets.csv')
+  infile = open(infile)
  except IOError:
-  raise IOError("Please make sure that the tweets.csv from the Twitter download is located in this directory.")
+  raise IOError("Unable to read %s." % infile)
  
  input = list(csv.reader(infile))