--- prboom2/CMakeLists.txt.orig	Sat Jun 10 20:04:25 2023
+++ prboom2/CMakeLists.txt	Sat Jun 10 20:04:46 2023
@@ -167,7 +167,7 @@ endif()
 if(WIN32)
     set(DEFAULT_WAD_DIR ".")
 else()
-    set(DEFAULT_WAD_DIR "${CMAKE_INSTALL_DATADIR}/games/doom")
+    set(DEFAULT_WAD_DIR "${CMAKE_INSTALL_DATADIR}/doom")
 endif()
 
 set(DSDAPWADDIR "${DEFAULT_WAD_DIR}" CACHE STRING "Path to install DSDA-Doom internal WAD, relative to CMAKE_INSTALL_PREFIX or absolute.")