diff --git a/src/Jackett.Common/Definitions/torrentseeds-api.yml b/src/Jackett.Common/Definitions/torrentseeds-api.yml
index 5e496ce4f..b2b399c9c 100644
--- a/src/Jackett.Common/Definitions/torrentseeds-api.yml
+++ b/src/Jackett.Common/Definitions/torrentseeds-api.yml
@@ -91,6 +91,10 @@ search:
     perPage: 100
     page: 1
 
+  keywordsfilters:
+    - name: re_replace
+      args: ["(\\w+)", "+$1"] # prepend + to each word
+
   rows:
     selector: data
     attribute: attributes
@@ -153,4 +157,4 @@ search:
     minimumseedtime:
       # 5 days (as seconds = 5 x 24 x 60 x 60)
       text: 432000
-# json UNIT3D 5.3.0
+# json UNIT3D 5.3.0 custom