diff --git a/libs/ardouralsautil/reserve.c b/libs/ardouralsautil/reserve.c
index 9076333f77..23e7482992 100644
--- a/libs/ardouralsautil/reserve.c
+++ b/libs/ardouralsautil/reserve.c
@@ -33,6 +33,10 @@
 
 #include "ardouralsautil/reserve.h"
 
+#ifndef DBUS_TIMEOUT_USE_DEFAULT
+#define DBUS_TIMEOUT_USE_DEFAULT (-1)
+#endif
+
 struct rd_device {
 	int ref;