diff --git a/libmpdemux/cache2.c b/libmpdemux/cache2.c
index cc13365716..98851d0eca 100644
--- a/libmpdemux/cache2.c
+++ b/libmpdemux/cache2.c
@@ -1,3 +1,5 @@
+#include "config.h"
+
 #ifdef USE_STREAM_CACHE
 // gcc cache2.c ../linux/shmem.o -o cache2