diff --git a/docs/signals.txt b/docs/signals.txt
index 075b85b1..0866baba 100644
--- a/docs/signals.txt
+++ b/docs/signals.txt
@@ -47,6 +47,7 @@ log.c:
  "log locked", LOG_REC
  "log started", LOG_REC
  "log stopped", LOG_REC
+ "log rotate", LOG_REC
  "log written", LOG_REC, char *line
 
 modules.c:
diff --git a/src/core/log.c b/src/core/log.c
index 368de25f..9c39962a 100644
--- a/src/core/log.c
+++ b/src/core/log.c
@@ -175,6 +175,7 @@ static void log_rotate_check(LOG_REC *log)
 	new_fname = log_filename(log);
 	if (strcmp(new_fname, log->real_fname) != 0) {
 		/* rotate log */
+		signal_emit("log rotate", 1, log);
 		log_stop_logging(log);
 		log_start_logging(log);
 	}