diff --git a/data/json/harvest.json b/data/json/harvest.json
index f920b4a36132e..9aa8391b125b8 100644
--- a/data/json/harvest.json
+++ b/data/json/harvest.json
@@ -355,13 +355,13 @@
       {
         "drop": "Zomborg_CBM_harvest",
         "type": "bionic_group",
-        "flags": [ "NO_STERILE", "NO_PACKED" ],
+        "flags": [ "NO_STERILE", "NO_PACKED", "FILTHY" ],
         "faults": [ "fault_bionic_salvaged" ]
       },
       {
         "drop": "Zomborg_CBM_harvest_power",
         "type": "bionic_group",
-        "flags": [ "NO_STERILE", "NO_PACKED" ],
+        "flags": [ "NO_STERILE", "NO_PACKED", "FILTHY" ],
         "faults": [ "fault_bionic_salvaged" ]
       },
       { "drop": "meat_tainted", "type": "flesh", "mass_ratio": 0.1 },