diff --git a/code/modules/mob/living/carbon/human/species/station/traits_vr/negative.dm b/code/modules/mob/living/carbon/human/species/station/traits_vr/negative.dm
index fe3905957b7..64aeee62873 100644
--- a/code/modules/mob/living/carbon/human/species/station/traits_vr/negative.dm
+++ b/code/modules/mob/living/carbon/human/species/station/traits_vr/negative.dm
@@ -139,10 +139,12 @@
 	desc = "You are much more prone to colder temperatures than other species, and become uncomfortable much more easier in cold environments."
 	cost = -2
 	var_changes = list("cold_level_1" = 280, "cold_level_2" = 220, "cold_level_3" = 140, "breath_cold_level_1" = 260, "breath_cold_level_2" = 240, "breath_cold_level_3" = 120, "cold_discomfort_level" = 280)
+	excludes = list(/datum/trait/coldresist)
 	
 /datum/trait/hotprone
 	name = "Heat resistant"
 	desc = "You are much more prone to hotter temperatures than other species, and become uncomfortable much more easier in hot environments."
 	cost = -2
-	var_changes = list("heat_level_1" = 305, "heat_level_2" = 360, "heat_level_3" = 700, "breath_heat_level_1" = 345, "breath_heat_level_2" = 380, "breath_heat_level_3" = 780, "heat_discomfort_level = 295")
+	var_changes = list("heat_level_1" = 305, "heat_level_2" = 360, "heat_level_3" = 700, "breath_heat_level_1" = 345, "breath_heat_level_2" = 380, "breath_heat_level_3" = 780, "heat_discomfort_level" = 295)
+	excludes = list(/datum/trait/hotresist)
 	
\ No newline at end of file
diff --git a/code/modules/mob/living/carbon/human/species/station/traits_vr/positive.dm b/code/modules/mob/living/carbon/human/species/station/traits_vr/positive.dm
index bd786d0e70b..8dcc38a957b 100644
--- a/code/modules/mob/living/carbon/human/species/station/traits_vr/positive.dm
+++ b/code/modules/mob/living/carbon/human/species/station/traits_vr/positive.dm
@@ -130,13 +130,15 @@
 	desc = "You are able to withstand much colder temperatures than other species, and can even be comfortable in extremely cold environments."
 	cost = 2
 	var_changes = list("cold_level_1" = 200, "cold_level_2" = 150, "cold_level_3" = 90, "breath_cold_level_1" = 180, "breath_cold_level_2" = 100, "breath_cold_level_3" = 60, "cold_discomfort_level" = 210)
+	excludes = list(/datum/trait/coldprone)
 	
 /datum/trait/hotresist
 	name = "Heat resistant"
 	desc = "You are able to withstand much hotter temperatures than other species, and can even be comfortable in extremely hot environments."
 	cost = 2
-	var_changes = list("heat_level_1" = 420, "heat_level_2" = 460, "heat_level_3" = 1100, "breath_heat_level_1" = 440, "breath_heat_level_2" = 510, "breath_heat_level_3" = 1500, "heat_discomfort_level = 390")
-	
+	var_changes = list("heat_level_1" = 420, "heat_level_2" = 460, "heat_level_3" = 1100, "breath_heat_level_1" = 440, "breath_heat_level_2" = 510, "breath_heat_level_3" = 1500, "heat_discomfort_level" = 390)
+	excludes = list(/datum/trait/hotprone)
+
 /datum/trait/snowwalker
 	name = "Snow walker"
 	desc = "You are able to move unhindered on snow."