diff --git a/plugins/libplugin.c b/plugins/libplugin.c
index 5e2a7a6ec..d026c22fd 100644
--- a/plugins/libplugin.c
+++ b/plugins/libplugin.c
@@ -263,6 +263,13 @@ struct command_result *command_done_err(struct command *cmd,
 	return end_cmd(cmd);
 }
 
+struct command_result *command_err_raw(struct command *cmd,
+				       const char *json_str)
+{
+	return command_done_raw(cmd, "error",
+				json_str, strlen(json_str));
+}
+
 struct command_result *timer_complete(void)
 {
 	assert(in_timer > 0);
diff --git a/plugins/libplugin.h b/plugins/libplugin.h
index d28227b70..1eca2a6b6 100644
--- a/plugins/libplugin.h
+++ b/plugins/libplugin.h
@@ -62,6 +62,11 @@ command_done_err(struct command *cmd,
 		 const char *errmsg,
 		 const struct json_out *data);
 
+/* Send a raw error response. Useful for forwarding a previous
+ * error after cleanup */
+struct command_result *command_err_raw(struct command *cmd,
+				       const char *json_str);
+
 /* This command is finished, here's the result object; @cmd cannot be NULL. */
 struct command_result *WARN_UNUSED_RESULT
 command_success(struct command *cmd, const struct json_out *result);