diff --git a/code/game/objects/devices/scanners.dm b/code/game/objects/devices/scanners.dm
index e1f48a39f34..bc200b9f177 100644
--- a/code/game/objects/devices/scanners.dm
+++ b/code/game/objects/devices/scanners.dm
@@ -300,7 +300,7 @@ proc/analyze_health_less_info(mob/living/carbon/M as mob, mob/user as mob)
 		user.show_message(text("\red Severe brain damage detected. Subject likely to have mental retardation."), 1)
 	else if (M.getBrainLoss() >= 10)
 		user.show_message(text("\red Significant brain damage detected. Subject may have had a concussion."), 1)
-	if (M.virus2 || M.reagents.len > 0)
+	if (M.virus2 || M.reagents.reagent_list.len > 0)
 		user.show_message(text("\red Unknown substance detected in blood."), 1)
 	return