diff --git a/cmake/win32_compiler_options.cmake b/cmake/win32_compiler_options.cmake
index 86e20c2431..0a0b90ffad 100644
--- a/cmake/win32_compiler_options.cmake
+++ b/cmake/win32_compiler_options.cmake
@@ -49,6 +49,11 @@ function(pdal_target_compile_settings target)
     endif()
 endfunction()
 
+#
+# Windows htonl and similar are in winsock :(
+#
+set(WINSOCK_LIBRARY ws2_32)
+
 set(CMAKE_INCLUDE_PATH "c:/OSGeo4W64/include;$ENV{CMAKE_INCLUDE_PATH}")
 set(CMAKE_LIBRARY_PATH "c:/OSGeo4W64/lib;$ENV{CMAKE_LIBRARY_PATH}")
 set(CMAKE_PREFIX_PATH "c:/OSGeo4W64/cmake;$ENV{CMAKE_LIBRARY_PATH}")