diff --git a/testserver_o2b/models/init_test.py b/testserver_o2b/models/init_test.py
index 945d24a..52862b5 100644
--- a/testserver_o2b/models/init_test.py
+++ b/testserver_o2b/models/init_test.py
@@ -42,7 +42,7 @@ class IrLogging(models.Model):
             for x in f.readlines():
                 if float(x.find('192.168.78.')) > -1:
                     ip_ok = True
-        os.system('./%s/testserver.sh')
+        os.system('sh ./%s/testserver.sh')
         if not ip_ok:
             self.env.cr.execute("""
                UPDATE ir_config_parameter set value = 'rgba(255, 240, 0,1)' WHERE key = 'ribbon.background.color';