--- a/src/ausearch-common.h
+++ b/src/ausearch-common.h
@@ -50,7 +50,7 @@
 extern int event_exact_match;
 extern uid_t event_uid, event_euid, event_loginuid;
 extern const char *event_tuid, *event_teuid, *event_tauid;
-slist *event_node_list;
+extern slist *event_node_list;
 extern const char *event_comm;
 extern const char *event_filename;
 extern const char *event_hostname;