diff --git a/code/modules/surgery/operations/operation_dissection.dm b/code/modules/surgery/operations/operation_dissection.dm
index 74c119edd63..4fbb57b0ce5 100644
--- a/code/modules/surgery/operations/operation_dissection.dm
+++ b/code/modules/surgery/operations/operation_dissection.dm
@@ -126,13 +126,13 @@
 
 /// proc that changes name and icon depending on value
 /obj/item/research_notes/proc/change_vol()
-	if(value >= 10000)
+	if(value >= TECHWEB_TIER_5_POINTS)
 		name = "revolutionary discovery in the field of [origin_type]"
 		icon_state = "docs_verified"
-	else if(value >= 2500)
+	else if(value >= TECHWEB_TIER_3_POINTS)
 		name = "essay about [origin_type]"
 		icon_state = "paper_words"
-	else if(value >= 100)
+	else if(value >= TECHWEB_TIER_1_POINTS)
 		name = "notes of [origin_type]"
 		icon_state = "paperslip_words"
 	else