diff --git a/library/include/df/custom/knowledge_scholar_category_flag.methods.inc b/library/include/df/custom/knowledge_scholar_category_flag.methods.inc
index f5c4e9a76..6fe896804 100644
--- a/library/include/df/custom/knowledge_scholar_category_flag.methods.inc
+++ b/library/include/df/custom/knowledge_scholar_category_flag.methods.inc
@@ -1,4 +1,4 @@
-df::enums::dfhack_knowledge_scholar_flag::dfhack_knowledge_scholar_flag value() const
+df::enums::dfhack_knowledge_scholar_flag::dfhack_knowledge_scholar_flag value()
 {
     int32_t value = category * 32;
     for (int32_t i = 0; i < 32; i++)