diff --git a/defaultconf.json b/defaultconf.json
index 6ad1205..ac51298 100644
--- a/defaultconf.json
+++ b/defaultconf.json
@@ -1,4 +1,5 @@
 {
 	"datadir": "data/",
+	"browserdriver": "phantomjs",
 	"credfile": "cred.txt"
 }
diff --git a/leggi.py b/leggi.py
index 79f158d..be1c336 100644
--- a/leggi.py
+++ b/leggi.py
@@ -15,8 +15,8 @@ def read_pass_file(fname):
     return user, pwd
 
 
-def get_calls(user, password):
-    with Browser('phantomjs') as b:
+def get_calls(user, password, driver='firefox'):
+    with Browser(driver) as b:
         b.visit('https://www.messagenet.com/')
         b.fill('userid', user)
         b.fill('password', password)
@@ -43,5 +43,5 @@ if __name__ == '__main__':
     if len(sys.argv) == 2:
         conf.update(json.load(open(sys.argv[1])))
     user, password = read_pass_file(conf['credfile'])
-    calls = tuple(get_calls(user, password))
+    calls = tuple(get_calls(user, password, conf['browserdriver']))
     save_calls(calls, conf['datadir'])