diff --git a/code/modules/clothing/glasses/glasses.dm b/code/modules/clothing/glasses/glasses.dm
index 2cd1691d979..3a79e8cb07c 100644
--- a/code/modules/clothing/glasses/glasses.dm
+++ b/code/modules/clothing/glasses/glasses.dm
@@ -190,6 +190,7 @@
 	item_state = "glasses"
 	origin_tech = "materials=4;magnets=4;plasmatech=4;engineering=4"
 	see_in_dark = 8
+	prescription_upgradable = TRUE
 	lighting_alpha = LIGHTING_PLANE_ALPHA_MOSTLY_INVISIBLE //don't render darkness while wearing these
 
 	sprite_sheets = list(