diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index c43464b7..9854567e 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -364,8 +364,9 @@ if(${SRB2_CONFIG_HAVE_DISCORDRPC})
 	if(${DISCORDRPC_FOUND})
 		set(SRB2_HAVE_DISCORDRPC ON)
 		add_definitions(-DHAVE_DISCORDRPC)
-		set(SRB2_DISCORDRPC_SOURCES discord.c)
-		set(SRB2_DISCORDRPC_HEADERS discord.h)
+		add_definitions(-DUSE_STUN)
+		set(SRB2_DISCORDRPC_SOURCES discord.c stun.c)
+		set(SRB2_DISCORDRPC_HEADERS discord.h stun.h)
 		prepend_sources(SRB2_DISCORDRPC_SOURCES)
 		prepend_sources(SRB2_DISCORDRPC_HEADERS)
 		source_group("Discord Rich Presence" FILES ${SRB2_DISCORDRPC_SOURCES} ${SRB2_DISCORDRPC_HEADERS})