diff --git a/amostra/client/amutils.py b/amostra/client/amutils.py
index 24360ec..dd77db1 100644
--- a/amostra/client/amutils.py
+++ b/amostra/client/amutils.py
@@ -41,7 +41,7 @@ def _get(url, params):
         Results of the query
 
     """
-    r = session.get(url, ujson.dumps(params))
+    r = session.get(url, params=ujson.dumps(params))
     r.raise_for_status()
     return ujson.loads(r.text)