diff --git a/CMakeLists.txt b/CMakeLists.txt
index 03954afbc..94d03058b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -564,7 +564,8 @@ if(UNIX OR CYGWIN)
 	if (FREEBSD)
 		list(REMOVE_ITEM CMAKE_REQUIRED_INCLUDES ${EPOLLSHIM_INCLUDE_DIR})
 	endif()
-	if(NOT APPLE)
+	option(WITH_POLL "Check for and include poll.h" ON)
+	if (WITH_POLL)
 		check_include_files(poll.h HAVE_POLL_H)
 	endif()
 	list(APPEND CMAKE_REQUIRED_LIBRARIES m)