diff --git a/KorAPClient/__init__.py b/KorAPClient/__init__.py
index 8bb5f5f..8b2b6b5 100644
--- a/KorAPClient/__init__.py
+++ b/KorAPClient/__init__.py
@@ -90,7 +90,7 @@
         with localconverter(robjects.default_converter + pandas2ri.converter):
             return robjects.conversion.rpy2py(KorAPClient.frequencyQuery(self, *args, **kwargs))
 
-    def collocationScoreQuery(self, *args, **kwargs):
+    def collocationScoreQuery(self, node, collocate, vc="", **kwargs):
         """Get collocation scores for given node(s) and collocate(s).
 
         - **node** - target word
@@ -114,7 +114,14 @@
             ```
         """
         with localconverter(robjects.default_converter + pandas2ri.converter):
-            return robjects.conversion.rpy2py(KorAPClient.collocationScoreQuery(self, *args, **kwargs))
+            if type(node) is list:
+                node = robjects.StrVector(node)
+            if type(collocate) is list:
+                collocate = robjects.StrVector(collocate)
+            if type(vc) is list:
+                vc = robjects.StrVector(vc)
+
+            return robjects.conversion.rpy2py(KorAPClient.collocationScoreQuery(self, node, collocate, vc, **kwargs))
 
     def corpusQuery(self, *args, **kwargs):
         """Query search term(s).
diff --git a/KorAPClient/tests/test_korapclient.py b/KorAPClient/tests/test_korapclient.py
index 1b9774e..b359a19 100644
--- a/KorAPClient/tests/test_korapclient.py
+++ b/KorAPClient/tests/test_korapclient.py
@@ -1,7 +1,6 @@
 import unittest
 from KorAPClient import KorAPConnection
 
-
 class TestKorAPClient(unittest.TestCase):
     def setUp(self):
         self.kcon = KorAPConnection(verbose=True)
@@ -22,9 +21,10 @@
         self.assertGreater(df['pmi'][0], 10)
         self.assertLess(df['pmi'][0], 20)
 
-    @unittest.skip("Conversion error in rpy2py")
     def test_collocation_score_query_multi_collocates(self):
         df = self.kcon.collocationScoreQuery("Ameisenplage", ["einer", "heimgesucht"], leftContextSize=1, rightContextSize=1)
+        self.assertEqual(df['collocate'][1], 'heimgesucht')
+        self.assertGreater(df['pmi'][1], df['pmi'][0])
 
     def test_corpus_stats(self):
         df = self.kcon.corpusStats(**{"as.df": True})
@@ -35,6 +35,9 @@
         ch_tokens = self.kcon.corpusStats(vc='pubPlaceKey="CH"', **{"as.df": True})['tokens'][0]
         self.assertGreater(de_tokens, ch_tokens)
 
+    def test_corpus_stats_with_vc(self):
+        tokens = self.kcon.corpusStats(vc=['pubPlaceKey="DE"', 'pubPlaceKey="CH"'], **{"as.df": True})['tokens']
+        self.assertGreater(tokens[0], tokens[1])
 
 if __name__ == '__main__':
     unittest.main()