diff --git a/code/datums/ai/basic_mobs/targetting_datums/basic_targetting_datum.dm b/code/datums/ai/basic_mobs/targetting_datums/basic_targetting_datum.dm
index de0355c32ec..643089bb5ea 100644
--- a/code/datums/ai/basic_mobs/targetting_datums/basic_targetting_datum.dm
+++ b/code/datums/ai/basic_mobs/targetting_datums/basic_targetting_datum.dm
@@ -34,7 +34,7 @@
 		if(M.status_flags & GODMODE)
 			return FALSE
 
-	if(!ignore_sight && can_see(living_mob, the_target, vision_range)) //Target has moved behind cover and we have lost line of sight to it
+	if(!ignore_sight && !can_see(living_mob, the_target, vision_range)) //Target has moved behind cover and we have lost line of sight to it
 		return FALSE
 
 	if(living_mob.see_invisible < the_target.invisibility) //Target's invisible to us, forget it