diff --git a/CMakeLists.txt b/CMakeLists.txt
index 35175ed55..5e7dfe1fd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -100,7 +100,7 @@ elseif(ANDROID)
     message(FATAL_ERROR "Android build not supported!")
 elseif(APPLE)
     target_compile_definitions(platform_wsi INTERFACE VK_USE_PLATFORM_MACOS_MVK VK_USE_PLATFORM_METAL_EXT)
-elseif(CMAKE_SYSTEM_NAME MATCHES "Linux|BSD")
+elseif(CMAKE_SYSTEM_NAME MATCHES "Linux|BSD|DragonFly|GNU")
     option(BUILD_WSI_XCB_SUPPORT "Build XCB WSI support" ON)
     option(BUILD_WSI_XLIB_SUPPORT "Build Xlib WSI support" ON)
     option(BUILD_WSI_WAYLAND_SUPPORT "Build Wayland WSI support" ON)
diff --git a/loader/CMakeLists.txt b/loader/CMakeLists.txt
index e23a3b122..7a0b47af8 100644
--- a/loader/CMakeLists.txt
+++ b/loader/CMakeLists.txt
@@ -102,7 +102,7 @@ set(NORMAL_LOADER_SRCS
 
 if(WIN32)
     list(APPEND NORMAL_LOADER_SRCS loader_windows.c dirent_on_windows.c)
-elseif(CMAKE_SYSTEM_NAME MATCHES "Linux|BSD")
+elseif(CMAKE_SYSTEM_NAME MATCHES "Linux|BSD|DragonFly|GNU")
     list(APPEND NORMAL_LOADER_SRCS loader_linux.c)
     target_compile_definitions(loader_specific_options INTERFACE LOADER_ENABLE_LINUX_SORT)
 endif()