diff --git a/3rdparty/curl/CMakeLists.txt b/3rdparty/curl/CMakeLists.txt
index 6e938d22e1..ebf5b0c7db 100644
--- a/3rdparty/curl/CMakeLists.txt
+++ b/3rdparty/curl/CMakeLists.txt
@@ -7,6 +7,7 @@ if(USE_SYSTEM_CURL)
 	target_link_libraries(libcurl INTERFACE CURL::libcurl)
 else()
 	message("-- RPCS3: building libcurl + wolfssl submodules")
+	add_compile_definitions(HAVE_SNI)
 	option(BUILD_CURL_EXE "Set to ON to build curl executable." OFF)
 	option(CMAKE_USE_WOLFSSL "enable wolfSSL for SSL/TLS" ON)
 	option(HTTP_ONLY "disables all protocols except HTTP (This overrides all CURL_DISABLE_* options)" ON)