diff --git a/code/modules/mob/living/silicon/pai/pai_shell.dm b/code/modules/mob/living/silicon/pai/pai_shell.dm
index ff5da89678..8a3121166e 100644
--- a/code/modules/mob/living/silicon/pai/pai_shell.dm
+++ b/code/modules/mob/living/silicon/pai/pai_shell.dm
@@ -93,7 +93,7 @@
 	return FALSE
 
 /mob/living/silicon/pai/proc/toggle_integrated_light()
-	if(!luminosity)
+	if(!light_range)
 		set_light(brightness_power)
 		to_chat(src, "<span class='notice'>You enable your integrated light.</span>")
 	else