diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2471832f1c270f478511392f5e299b0bcfafa9d4..2ce860b845d7ec78058fa16a8f3adb9fbc3b66c5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -62,6 +62,7 @@ endif()
 if (OPENDHT_PROXY_SERVER OR OPENDHT_PROXY_CLIENT)
     find_package(Restinio REQUIRED)
     if (Restinio_FOUND)
+        add_definitions(-DASIO_STANDALONE)
         find_library(FMT_LIBRARY fmt)
         add_library(fmt SHARED IMPORTED)
         find_library(HTTP_PARSER_LIBRARY http_parser)