--- CMakeLists.txt.orig	2025-06-04 14:41:12 UTC
+++ CMakeLists.txt
@@ -115,7 +115,7 @@ elseif (APPLE)
         list(APPEND EVENT_LOOP_DEFINES "KQUEUE")
     endif()
 
-elseif (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD" OR CMAKE_SYSTEM_NAME STREQUAL "NetBSD" OR CMAKE_SYSTEM_NAME STREQUAL "OpenBSD")
+elseif (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD" OR CMAKE_SYSTEM_NAME STREQUAL "NetBSD" OR CMAKE_SYSTEM_NAME STREQUAL "OpenBSD" OR CMAKE_SYSTEM_NAME STREQUAL "MidnightBSD")
     file(GLOB AWS_IO_OS_HEADERS
             )
 
