diff --git a/code/game/dna/genes/disabilities.dm b/code/game/dna/genes/disabilities.dm
index f0205ff9d1b..57eb989ffb7 100644
--- a/code/game/dna/genes/disabilities.dm
+++ b/code/game/dna/genes/disabilities.dm
@@ -139,4 +139,4 @@
 		block=LISPBLOCK
 
 	OnSay(var/mob/M, var/message)
-		return replacetext(replacetext(message,"S","TH"),"s","th")
\ No newline at end of file
+		return replacetext(message,"s","th")
\ No newline at end of file