diff --git a/code/modules/mob/living/carbon/monkey/monkey.dm b/code/modules/mob/living/carbon/monkey/monkey.dm
index 55ecebda8c..1ffa3316ab 100644
--- a/code/modules/mob/living/carbon/monkey/monkey.dm
+++ b/code/modules/mob/living/carbon/monkey/monkey.dm
@@ -81,6 +81,8 @@
 	var/slow = 0
 	if (bodytemperature < 283.222)
 		slow += (283.222 - bodytemperature) / 10 * 1.75
+	if(slow <= 0)
+		return
 	add_movespeed_modifier(MOVESPEED_ID_MONKEY_TEMPERATURE_SPEEDMOD, TRUE, 100, override = TRUE, multiplicative_slowdown = amount)
 
 /mob/living/carbon/monkey/Stat()