diff --git a/code/modules/mining/equipment/explorer_gear.dm b/code/modules/mining/equipment/explorer_gear.dm
index a300e08dba..2c7eaf09ba 100644
--- a/code/modules/mining/equipment/explorer_gear.dm
+++ b/code/modules/mining/equipment/explorer_gear.dm
@@ -152,7 +152,7 @@
 	desc = "A robust suit for exploring dangerous environments."
 	icon_state = "exo"
 	item_state = "exo"
-	w-_class = WEIGHT_CLASS_BULKY
+	w_class = WEIGHT_CLASS_BULKY
 	body_parts_covered = CHEST|GROIN|LEGS|ARMS
 	min_cold_protection_temperature = FIRE_SUIT_MIN_TEMP_PROTECT
 	cold_protection = CHEST|GROIN|LEGS|ARMS