diff --git a/isisd/isis_events.c b/isisd/isis_events.c
index d54036a..a8e60d6 100644
--- a/isisd/isis_events.c
+++ b/isisd/isis_events.c
@@ -283,8 +283,9 @@
   if (!adj || !adj->circuit || !adj->circuit->area)
     return;
 
-  zlog_debug ("ISIS-Evt (%s) Adjacency State change",
-	      adj->circuit->area->area_tag);
+  if (isis->debugs & DEBUG_EVENTS)
+    zlog_debug ("ISIS-Evt (%s) Adjacency State change",
+		adj->circuit->area->area_tag);
 
   /* LSP generation again */
   lsp_regenerate_schedule (adj->circuit->area);
@@ -304,8 +305,8 @@
   /* invalid arguments */
   if (!circuit || !circuit->area)
     return 0;
-
-  zlog_debug ("ISIS-Evt (%s) DIS status change", circuit->area->area_tag);
+  if (isis->debugs & DEBUG_EVENTS)
+    zlog_debug ("ISIS-Evt (%s) DIS status change", circuit->area->area_tag);
 
   /* LSP generation again */
   lsp_regenerate_schedule (circuit->area);
@@ -316,8 +317,9 @@
 void
 isis_event_auth_failure (char *area_tag, const char *error_string, u_char *sysid)
 {
-  zlog_debug ("ISIS-Evt (%s) Authentication failure %s from %s",
-	      area_tag, error_string, sysid_print (sysid));
+  if (isis->debugs & DEBUG_EVENTS)
+    zlog_debug ("ISIS-Evt (%s) Authentication failure %s from %s",
+		area_tag, error_string, sysid_print (sysid));
 
   return;
 }