diff --git a/src/Jackett.Common/Definitions/gamestorrents.yml b/src/Jackett.Common/Definitions/gamestorrents.yml
index 1b7994116..aa8214a30 100644
--- a/src/Jackett.Common/Definitions/gamestorrents.yml
+++ b/src/Jackett.Common/Definitions/gamestorrents.yml
@@ -66,6 +66,8 @@
       size:
         selector: td:nth-child(3)
         filters:
+          - name: replace
+            args: ["Undefined", "0 B"]
           - name: replace
             args: ["s", ""]
       description: