diff --git a/tests/test_convergence.py b/tests/test_convergence.py
index 636dea9bc9487241b62166d35ac7367272e513b3..f00e8df7e46388c461b59c8f5b34c62936344baf 100755
--- a/tests/test_convergence.py
+++ b/tests/test_convergence.py
@@ -1,4 +1,3 @@
-#! /usr/bin/env python2
 #######################################################################
 #                                                                     #
 #  Copyright 2015 Max Planck Institute                                #
@@ -30,7 +29,7 @@ import h5py
 from mpl_toolkits.mplot3d import axes3d
 import matplotlib.pyplot as plt
 
-from test_base import *
+from base import *
 
 def convergence_test(
         opt,
@@ -224,6 +223,15 @@ def convergence_test(
     return c0, c1, c2
 
 if __name__ == '__main__':
-    opt = parser.parse_args()
+    opt = parser.parse_args(
+            ['-n', '16',
+             '--run',
+             '--initialize',
+             '--ncpu', '2',
+             '--nparticles', '1000',
+             '--niter_todo', '32',
+             '--precision', 'single',
+             '--wd', 'data/single'] +
+            sys.argv[1:])
     convergence_test(opt, launch)
 
diff --git a/tox_convergence.ini b/tox_convergence.ini
deleted file mode 100644
index 39a368ff0d1954cb841cbaab41e5a8d98bb68031..0000000000000000000000000000000000000000
--- a/tox_convergence.ini
+++ /dev/null
@@ -1,31 +0,0 @@
-[tox]
-envlist = py34
-[testenv]
-deps = matplotlib
-whitelist_externals =
-    echo
-    cp
-passenv = LD_LIBRARY_PATH
-changedir =
-    {envtmpdir}
-commands =
-    cp -r {toxinidir}/tests {envtmpdir}
-    python tests/test_convergence.py \
-        -n 32 \
-        --run \
-        --initialize \
-        --ncpu 2 \
-        --nparticles 1 \
-        --niter_todo 16 \
-        --precision single \
-        --wd "data/single"
-    python tests/test_convergence.py \
-        -n 32 \
-        --run \
-        --initialize \
-        --ncpu 2 \
-        --nparticles 1 \
-        --niter_todo 16 \
-        --precision double \
-        --wd "data/double"
-