diff --git a/static/img/sources/integrations-graphiques/generate.py b/static/img/sources/integrations-graphiques/generate.py
index 24742ec..6834933 100644
--- a/static/img/sources/integrations-graphiques/generate.py
+++ b/static/img/sources/integrations-graphiques/generate.py
@@ -2,6 +2,7 @@
 
 import os
 import subprocess
+import sys
 
 captures = [
     ('https://cournonterral.test-eservices.montpellier3m.fr/',
@@ -43,11 +44,12 @@ captures = [
 svg_src = open('screen-with-capture.svg').read()
 for url, filename in captures:
     print url
-    print 'creating capture'
-    subprocess.call(['phantomjs', '--ssl-protocol=any',
-        '--ignore-ssl-errors=yes', 'capture.js', url, 'captures/%s' % filename])
+    if '--reshoot' in sys.argv or not os.path.exists('captures/%s' % filename):
+        print 'creating capture'
+        subprocess.call(['phantomjs', '--ssl-protocol=any',
+            '--ignore-ssl-errors=yes', 'capture.js', url, 'captures/%s' % filename])
 
-    print 'putting it in a mini screen'
+    print 'putting capture in a mini screen'
     svg_dst = svg_src.replace('xxx.png', 'captures/%s' % filename)
     svg_path = open('/tmp/.xxx.svg', 'w')
     svg_path.write(svg_dst)