diff --git a/src/apps/common/apputils.h b/src/apps/common/apputils.h
index a0f0ac5..11a6e5d 100644
--- a/src/apps/common/apputils.h
+++ b/src/apps/common/apputils.h
@@ -58,10 +58,6 @@ extern int IS_TURN_SERVER;
 
 #define OPENSSL_FIRST_ALPN_VERSION (0x10002003L)
 
-#define STUN_ALPN "stun.nat-discovery"
-#define TURN_ALPN "stun.turn"
-#define HTTP_ALPN "http/1.1"
-
 #if OPENSSL_VERSION_NUMBER >= OPENSSL_FIRST_ALPN_VERSION
 #define ALPN_SUPPORTED 1
 #else
diff --git a/src/apps/relay/mainrelay.c b/src/apps/relay/mainrelay.c
index 75c587b..67cc9dc 100644
--- a/src/apps/relay/mainrelay.c
+++ b/src/apps/relay/mainrelay.c
@@ -35,6 +35,16 @@
 static int use_lt_credentials = 0;
 static int anon_credentials = 0;
 
+////// ALPN //////////
+
+#if ALPN_SUPPORTED
+
+char STUN_ALPN[128] = "stun.nat-discovery";
+char TURN_ALPN[128] = "stun.turn";
+char HTTP_ALPN[128] = "http/1.1";
+
+#endif
+
 ////// TURNDB //////////////
 
 #if defined(TURNDB)