diff --git a/src/config.h.in b/src/config.h.in
index 979eb530..8eac8818 100644
--- a/src/config.h.in
+++ b/src/config.h.in
@@ -116,4 +116,4 @@
 /* Define to 1 if your <sys/time.h> declares `struct tm'. */
 #undef TM_IN_SYS_TIME
 
-#include <custom.h>
+#include "custom.h"