diff --git a/Common/src/main/resources/data/hexcasting/patchouli_books/thehexbook/en_us/entries/patterns/lists.json b/Common/src/main/resources/data/hexcasting/patchouli_books/thehexbook/en_us/entries/patterns/lists.json
index 4a7ae9f3..a6da9a96 100644
--- a/Common/src/main/resources/data/hexcasting/patchouli_books/thehexbook/en_us/entries/patterns/lists.json
+++ b/Common/src/main/resources/data/hexcasting/patchouli_books/thehexbook/en_us/entries/patterns/lists.json
@@ -27,7 +27,7 @@
       "op_id": "hexcasting:append",
       "anchor": "hexcasting:append",
       "input": "list, any",
-      "output": "any",
+      "output": "list",
       "text": "hexcasting.page.lists.append"
     },
     {