diff --git a/src/fsm.c b/src/fsm.c
index 6649b09..049663d 100644
--- a/src/fsm.c
+++ b/src/fsm.c
@@ -169,7 +169,8 @@
 	fi->log_level = log_level;
 	fi->timer.data = fi;
 	fi->timer.cb = fsm_tmr_cb;
-	fi->id = id;
+	if (id)
+		fi->id = talloc_strdup(fi, id);
 
 	if (!fsm_log_addr) {
 		if (id)