diff --git a/code/modules/mob/living/carbon/monkey/diona.dm b/code/modules/mob/living/carbon/monkey/diona.dm
index 442d33e2ace..3ec9b817c5d 100644
--- a/code/modules/mob/living/carbon/monkey/diona.dm
+++ b/code/modules/mob/living/carbon/monkey/diona.dm
@@ -64,6 +64,10 @@
 	set name = "Evolve"
 	set desc = "Grow to a more complex form."
 
+	if(!is_alien_whitelisted(src, "Diona") && config.usealienwhitelist)
+		src << alert("You are currently not whitelisted to play [client.prefs.species].")
+		return 0
+
 	if(donors.len < 5)
 		src << "You are not yet ready for your growth..."
 		return