--- a/plugins/mod_smacks.lua	Sat Dec 18 13:43:57 2021 +0100
+++ b/plugins/mod_smacks.lua	Sat Dec 18 13:48:57 2021 +0100
@@ -419,6 +419,7 @@
 		end
 		return
 	end
+	if session.hibernating then return end
 
 	session.hibernating = os_time();
 	session.hibernating_watchdog = watchdog.new(resume_timeout, function()