diff --git a/fs/proc/namespaces.c b/fs/proc/namespaces.c
index b017181..f18d6d5 100644
--- a/fs/proc/namespaces.c
+++ b/fs/proc/namespaces.c
@@ -22,6 +22,9 @@
 #ifdef CONFIG_UTS_NS
 	&utsns_operations,
 #endif
+#ifdef CONFIG_IPC_NS
+	&ipcns_operations,
+#endif
 };
 
 static const struct file_operations ns_file_operations = {