diff --git a/src/libei-event.c b/src/libei-event.c
index 836af51..4f56a26 100644
--- a/src/libei-event.c
+++ b/src/libei-event.c
@@ -154,7 +154,8 @@ check_event_type(struct ei_event *event,
 
 	if (!rc)
 		log_bug_client(ei_event_get_context(event),
-			       "Invalid event type %u passed to %s()",
+			       "Invalid event type (%s) %u passed to %s()",
+			       ei_event_type_to_string(type),
 			       type, function_name);
 
 	return rc;
diff --git a/src/libeis-event.c b/src/libeis-event.c
index a1cfdc4..382a2c9 100644
--- a/src/libeis-event.c
+++ b/src/libeis-event.c
@@ -157,7 +157,8 @@ check_event_type(struct eis_event *event,
 
 	if (!rc)
 		log_bug_client(eis_event_get_context(event),
-			       "Invalid event type %u passed to %s()",
+			       "Invalid event type %s (%u) passed to %s()",
+			       eis_event_type_to_string(type),
 			       type, function_name);
 
 	return rc;