diff --git a/wcsinst/settings.py b/wcsinst/settings.py
index 7fcc42f..afa262d 100644
--- a/wcsinst/settings.py
+++ b/wcsinst/settings.py
@@ -154,6 +154,8 @@ if WCSINSTD_URL:
 else:
     INSTALLED_APPS += ('wcsinst.wcsinstd',)
 
+WCSINST_WCSCTL_SCRIPT = os.environ.get('WCSINST_WCSCTL_SCRIPT', 'wcsctl')
+
 try:
     from local_settings import *
 except ImportError:
diff --git a/wcsinst/wcsinstd/app_settings.py b/wcsinst/wcsinstd/app_settings.py
index 8b5ebab..28de916 100644
--- a/wcsinst/wcsinstd/app_settings.py
+++ b/wcsinst/wcsinstd/app_settings.py
@@ -2,3 +2,4 @@ from django.conf import settings
 
 URL_TEMPLATE = getattr(settings, 'WCSINST_URL_TEMPLATE', 'https://%(domain)s')
 WCS_APP_DIR = getattr(settings, 'WCSINST_WCS_APP_DIR', None)
+WCSCTL_SCRIPT = getattr(settings, 'WCSINST_WCSCTL_SCRIPT', 'wcsctl')
diff --git a/wcsinst/wcsinstd/deploy.py b/wcsinst/wcsinstd/deploy.py
index c2345c2..3d2f053 100644
--- a/wcsinst/wcsinstd/deploy.py
+++ b/wcsinst/wcsinstd/deploy.py
@@ -119,7 +119,7 @@ class DeployInstance(object):
             if wcs_cfg.get('postgresql').get(param):
                 params.append(param)
                 params.append(wcs_cfg.get('postgresql').get(param))
-        os.system('wcsctl convertsql %s %s' % (' '.join(params), self.domain))
+        os.system('%s convertsql %s %s' % (app_settings.WCSCTL_SCRIPT, ' '.join(params), self.domain))
 
     def make_sso_config(self, wcs_cfg):
         has_idff = False