diff --git a/glances/plugins/glances_docker.py b/glances/plugins/glances_docker.py
index 26b81905..febbe37e 100644
--- a/glances/plugins/glances_docker.py
+++ b/glances/plugins/glances_docker.py
@@ -190,7 +190,7 @@ class Plugin(GlancesPlugin):
 
             # Update current containers list
             try:
-                self.stats['containers'] = self.docker_client.containers()
+                self.stats['containers'] = self.docker_client.containers() or []
             except Exception as e:
                 logger.error("{} plugin - Can not get containers list ({})".format(self.plugin_name, e))
                 return self.stats