diff --git a/src/cmd/synmacph/synmacph.c b/src/cmd/synmacph/synmacph.c
index f4026585..ec1dbc77 100644
--- a/src/cmd/synmacph/synmacph.c
+++ b/src/cmd/synmacph/synmacph.c
@@ -23,6 +23,9 @@
 
 const char* const label = "synmacph";
 
+static void xpcEventHandler(xpc_connection_t connection, xpc_object_t event);
+static void xpcConnectionHandler(xpc_connection_t connection);
+
 static void xpcEventHandler(xpc_connection_t connection, xpc_object_t event)
 {
 	syslog(LOG_NOTICE, "received event in helper");