diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 3d44c91..cf19036 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -3,6 +3,10 @@
 History
 =======
 
+v1.2.8
+------
+- support for list params in query preview
+
 v1.2.7
 ------
 - improved `prettyprint_query()`
diff --git a/query_inspector/admin.py b/query_inspector/admin.py
index cd5deed..4687ab6 100644
--- a/query_inspector/admin.py
+++ b/query_inspector/admin.py
@@ -1,5 +1,6 @@
 import time
 import traceback
+import json
 from django.http import HttpResponseRedirect
 from django.urls import reverse
 from django.contrib import admin
@@ -128,6 +129,16 @@ def preview(self, request, object_id):
             for parameter in parameters
         }
 
+        # Adjust list parameters
+        # Es: "['my', 'id']" --> ['my', 'id']
+        # this is a rather weak solution which we might improve sooner or later
+        # Working use case:
+        # params = {'countries': "['my', 'id']"}
+        # sql = " ... WHERE lower(C.code) = ANY( %(countries)s )"
+        for key, value in params.items():
+            if value.startswith('[') and value.endswith(']'):
+                params[key] = json.loads(value.replace('\'', '"'))
+
         # Load default parameters
         if request.method =="GET":
             for key, value in params.items():
diff --git a/query_inspector/trace.py b/query_inspector/trace.py
index 6335123..015226d 100644
--- a/query_inspector/trace.py
+++ b/query_inspector/trace.py
@@ -87,7 +87,7 @@ def escape(v):
     sql = _str_query(query.replace('\n', ' '), params).strip()
     print(sql)
     if params is not None:
-        trace('params[]: ' + str(params), color='black', on_color='on_white')
+        trace('params: ' + str(params), color='light_grey')
     print("-" * 80)