diff --git a/code/modules/mob/hear_say.dm b/code/modules/mob/hear_say.dm
index 568033f3606..062e1f4d44e 100644
--- a/code/modules/mob/hear_say.dm
+++ b/code/modules/mob/hear_say.dm
@@ -168,6 +168,7 @@
 /mob/proc/hear_sleep(var/message)
 	var/heard = ""
 	if(prob(15))
+		message = strip_html_properly(message)
 		var/list/punctuation = list(",", "!", ".", ";", "?")
 		var/list/messages = splittext(message, " ")
 		var/R = rand(1, messages.len)