diff --git a/sample/event-test.c b/sample/event-test.c
index 965984d4..db3ba31e 100644
--- a/sample/event-test.c
+++ b/sample/event-test.c
@@ -3,6 +3,10 @@
  * cc -I/usr/local/include -o event-test event-test.c -L/usr/local/lib -levent
  */
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include <sys/types.h>
 #include <sys/stat.h>
 #ifndef WIN32