diff --git a/resources/printers/filaments_blacklist.json b/resources/printers/filaments_blacklist.json
index f30cfce505..88d43b636a 100644
--- a/resources/printers/filaments_blacklist.json
+++ b/resources/printers/filaments_blacklist.json
@@ -14,6 +14,12 @@
       "slot": "ams",
       "description": "Damp PVA will become flexible and get stuck inside AMS, please take care to dry it before use."
     },
+    {
+      "type": "PVA",
+      "action": "warning",
+      "slot": "ext",
+      "description": "Damp PVA is flexible and may get stuck in extruder. Dry it before use."
+    },
     {
       "type_suffix": "CF",
       "action": "warning",