diff --git a/code/game/objects/items/weapons/stock_parts.dm b/code/game/objects/items/weapons/stock_parts.dm
index f7edba7e1c4..6e0500ffd38 100644
--- a/code/game/objects/items/weapons/stock_parts.dm
+++ b/code/game/objects/items/weapons/stock_parts.dm
@@ -131,7 +131,7 @@
 	name = "nano-manipulator"
 	desc = "A tiny little manipulator used in the construction of certain devices."
 	icon_state = "nano_mani"
-	origin_tech = "materials=3,programming=2"
+	origin_tech = "materials=3;programming=2"
 	rating = 2
 	materials = list(MAT_METAL=30)
 
@@ -173,7 +173,7 @@
 	name = "pico-manipulator"
 	desc = "A tiny little manipulator used in the construction of certain devices."
 	icon_state = "pico_mani"
-	origin_tech = "materials=5,programming=2"
+	origin_tech = "materials=5;programming=2"
 	rating = 3
 	materials = list(MAT_METAL=30)