diff --git a/scraper/src/config/config_loader.py b/scraper/src/config/config_loader.py
index 9c954de3..b88506e1 100644
--- a/scraper/src/config/config_loader.py
+++ b/scraper/src/config/config_loader.py
@@ -6,6 +6,7 @@
 """
 
 from collections import OrderedDict
+from distutils.util import strtobool
 import json
 import os
 import copy
@@ -49,6 +50,7 @@ class ConfigLoader(object):
     strategy = 'default'
     strict_redirect = True
     strip_chars = u".,;:§¶"
+    update_nb_hits = None
     use_anchors = False
     user_agent = 'Algolia DocSearch Crawler'
     only_content_level = False
@@ -112,6 +114,9 @@ def _parse(self):
         # Parse Env
         self.app_id = os.environ.get('APPLICATION_ID', None)
         self.api_key = os.environ.get('API_KEY', None)
+        self.update_nb_hits = os.environ.get('UPDATE_NB_HITS', None)
+        if self.update_nb_hits is not None:
+            self.update_nb_hits = bool(strtobool(self.update_nb_hits))
 
         # Parse config
         self.selectors = SelectorsParser().parse(self.selectors)
@@ -124,7 +129,7 @@ def _parse(self):
             self.allowed_domains = UrlsParser.build_allowed_domains(
                 self.start_urls, self.stop_urls)
 
-    def update_nb_hits(self, nb_hits):
+    def update_nb_hits_value(self, nb_hits):
         if self.config_file is not None:
             # config loaded from file
             previous_nb_hits = None if 'nb_hits' not in self.config_content else \
@@ -132,7 +137,7 @@ def update_nb_hits(self, nb_hits):
             nb_hit_updater = NbHitsUpdater(self.config_file,
                                            self.config_content,
                                            previous_nb_hits, nb_hits)
-            nb_hit_updater.update()
+            nb_hit_updater.update(self.update_nb_hits)
 
     def get_extra_facets(self):
         return UrlsParser.get_extra_facets(self.start_urls)
diff --git a/scraper/src/config/nb_hits_updater.py b/scraper/src/config/nb_hits_updater.py
index a9a38f6b..808bf41f 100644
--- a/scraper/src/config/nb_hits_updater.py
+++ b/scraper/src/config/nb_hits_updater.py
@@ -1,6 +1,7 @@
 from ..helpers import confirm
 import json
 import copy
+import sys
 
 
 class NbHitsUpdater(object):
@@ -16,12 +17,17 @@ def __init__(self, config_file, config_content, previous_nb_hits,
         self.new_nb_hit = new_nb_hit
         self.previous_nb_hits = previous_nb_hits
 
-    def update(self):
+    def update(self, perform_update):
         if self._update_needed():
             print("previous nb_hits: " + str(self.previous_nb_hits) + "\n")
 
-            if confirm(
-                                    'Do you want to update the nb_hits in ' + self.config_file + ' ?'):
+            if perform_update is None:
+                if sys.stdout.isatty():
+                    perform_update = confirm('Do you want to update the nb_hits in ' + self.config_file + ' ?')
+                else:
+                    perform_update = True
+
+            if perform_update:
                 try:
                     self._update_config()
                     print("\n[OK] " + self.config_file + " has been updated")
diff --git a/scraper/src/index.py b/scraper/src/index.py
index cf4cf674..ea4036b7 100644
--- a/scraper/src/index.py
+++ b/scraper/src/index.py
@@ -84,7 +84,7 @@ def run_config(config):
     if DocumentationSpider.NB_INDEXED > 0:
         algolia_helper.commit_tmp_index()
         print('Nb hits: ' + str(DocumentationSpider.NB_INDEXED))
-        config.update_nb_hits(DocumentationSpider.NB_INDEXED)
+        config.update_nb_hits_value(DocumentationSpider.NB_INDEXED)
     else:
         print('Crawling issue: nbHits 0 for ' + config.index_name)
         algolia_helper.report_crawling_issue()