diff --git a/README.md b/README.md
index a5b8943ac61ae5e755e55e937c0db56dcdda1220..d202e2a63d4b5e8c416db88898205713a7e96497 100644
--- a/README.md
+++ b/README.md
@@ -13,5 +13,5 @@ You can enable monitoring of these additional services:
     - `netdata_enable_mysql`
         - Please set `netdata_mysql_user` and `netdata_mysql_user`
 
-If `netdata_is_container` is set to `false`, netdata monitors with default settings.
+If `netdata_is_container` is set to `false` (the default), netdata monitors with default settings.
 
diff --git a/defaults/main.yml b/defaults/main.yml
index b331b771429878808aef7c14c7c01a87bcdb1f74..9323b63f29a9a2725418e944271e7532bbaa7593 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -1,4 +1,5 @@
 ---
+netdata_is_container: no
 netdata_enable_python: no
 netdata_enable_haproxy: no
 netdata_enable_elasticsearch: no