diff --git a/config/Config-kernel.in b/config/Config-kernel.in
index b3f9cccd7e..43132a0e5f 100644
--- a/config/Config-kernel.in
+++ b/config/Config-kernel.in
@@ -625,7 +625,7 @@ endif
 
 config KERNEL_NAMESPACES
 	bool "Enable kernel namespaces"
-	default n
+	default y
 
 if KERNEL_NAMESPACES