diff --git a/pywikidiff2/pywikidiff2.cpp b/pywikidiff2/pywikidiff2.cpp
index 64ac8d8..f986a86 100644
--- a/pywikidiff2/pywikidiff2.cpp
+++ b/pywikidiff2/pywikidiff2.cpp
@@ -44,7 +44,7 @@ static int
 pywikidiff2_init(pywikidiff2Obj *self, PyObject *args, PyObject *kwds)
 {
   // here's where we set non-default configuration values
-  static char *kwlist[] = {"numContextLines", "moved_line_threshold", "change_threshold", "moved_paragraph_detection_cutoff", "max_word_level_diff_complexity", "max_split_size", "initial_split_threshold", "final_split_threshold", "words_cache_capacity", "diff_cache_capacity", "stats_cache_capacity", NULL};
+  static char *kwlist[] = {"num_context_lines", "moved_line_threshold", "change_threshold", "moved_paragraph_detection_cutoff", "max_word_level_diff_complexity", "max_split_size", "initial_split_threshold", "final_split_threshold", "words_cache_capacity", "diff_cache_capacity", "stats_cache_capacity", NULL};
   if (!PyArg_ParseTupleAndKeywords(args, kwds, "|iffiiiff", kwlist,
 				   &self->config.numContextLines,
 				   &self->config.movedLineThreshold,
diff --git a/test/test_pywikidiff2.py b/test/test_pywikidiff2.py
index 5c20b95..c086c26 100644
--- a/test/test_pywikidiff2.py
+++ b/test/test_pywikidiff2.py
@@ -3,7 +3,7 @@ import json
 num_context_lines = 100000
 obj = pywikidiff2.pywikidiff2()
 
-obj = pywikidiff2.pywikidiff2(numContextLines=num_context_lines,
+obj = pywikidiff2.pywikidiff2(num_context_lines=num_context_lines,
                               moved_paragraph_detection_cutoff=2000000)
 # res = obj.inline_json_diff("help! \n I'm alive", "help! \n dead I am")
 # print(res)