diff --git a/CMakeLists.txt b/CMakeLists.txt
index 982cf6729b..e2b786bc83 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1048,6 +1048,7 @@ check_symbol_exists(socket        "${CURL_INCLUDES}" HAVE_SOCKET)
 check_symbol_exists(socketpair    "${CURL_INCLUDES}" HAVE_SOCKETPAIR)
 check_symbol_exists(recv          "${CURL_INCLUDES}" HAVE_RECV)
 check_symbol_exists(send          "${CURL_INCLUDES}" HAVE_SEND)
+check_symbol_exists(sendmsg       "${CURL_INCLUDES}" HAVE_SENDMSG)
 check_symbol_exists(select        "${CURL_INCLUDES}" HAVE_SELECT)
 check_symbol_exists(strdup        "${CURL_INCLUDES}" HAVE_STRDUP)
 check_symbol_exists(strtok_r      "${CURL_INCLUDES}" HAVE_STRTOK_R)