--- CMakeLists.txt.orig	2026-06-21 04:42:48 UTC
+++ CMakeLists.txt
@@ -252,7 +252,7 @@ if(XD3_ARMOR)
     ${XD3_FETCHCONTENT_EXCLUDE})
   FetchContent_MakeAvailable(blake3)
-  set(XD3_ARMOR_LIBRARIES blake3)
+  set(XD3_ARMOR_LIBRARIES BLAKE3::blake3)
   message(STATUS "xdelta3: armor mode enabled (BLAKE3 ${XD3_BLAKE3_TAG})")
 else()
   message(STATUS "xdelta3: armor mode disabled")