diff --git a/lib/isc/unix/socket.c b/lib/isc/unix/socket.c
index d956f7980d..f42c68773e 100644
--- a/lib/isc/unix/socket.c
+++ b/lib/isc/unix/socket.c
@@ -34,7 +34,7 @@
 #include <isc/condition.h>
 #include <isc/socket.h>
 
-#include "util.h"
+#include "../util.h"
 
 #ifndef _WIN32
 #define WINAPI /* we're not windows */