diff --git a/ssl/pqueue/pqueue.c b/ssl/pqueue/pqueue.c
index c6cd34d..e8d0ac5 100644
--- a/ssl/pqueue/pqueue.c
+++ b/ssl/pqueue/pqueue.c
@@ -54,7 +54,7 @@
  * (eay@cryptsoft.com).  This product includes software written by Tim
  * Hudson (tjh@cryptsoft.com). */
 
-#include "pqueue.h"
+#include <openssl/pqueue.h>
 
 #include <openssl/mem.h>