diff --git a/soh/CMakeLists.txt b/soh/CMakeLists.txt
index afbc0df30..ded7bcf15 100644
--- a/soh/CMakeLists.txt
+++ b/soh/CMakeLists.txt
@@ -278,6 +278,7 @@ endif()
 # apclientpp + dependencies
 ################################################################################
 add_compile_definitions(ASIO_STANDALONE)
+add_compile_definitions(ASIO_DISABLE_STD_INVOKE_RESULT)
 
 # TEMPORARY
 add_compile_definitions(WSWRAP_NO_SSL)