diff --git a/code/modules/mining/drilling/scanner.dm b/code/modules/mining/drilling/scanner.dm
index 79ae5f1573..1bd784bdb9 100644
--- a/code/modules/mining/drilling/scanner.dm
+++ b/code/modules/mining/drilling/scanner.dm
@@ -21,6 +21,7 @@
 	var/list/metals = list(
 		"surface minerals" = 0,
 		"precious metals" = 0,
+		"precious gems" = 0,
 		"nuclear fuel" = 0,
 		"exotic matter" = 0,
 		"anomalous matter" = 0
@@ -38,7 +39,8 @@
 
 			switch(metal)
 				if("silicates", "carbon", "hematite", "marble")	ore_type = "surface minerals"
-				if("gold", "silver", "diamond", "lead")					ore_type = "precious metals"
+				if("gold", "silver", "lead")					ore_type = "precious metals"
+				if("diamond")									ore_type = "precious gems"
 				if("uranium")									ore_type = "nuclear fuel"
 				if("phoron", "osmium", "hydrogen")				ore_type = "exotic matter"
 				if("verdantium")				ore_type = "anomalous matter"