diff --git a/crypto/pqueue/pq_compat.h b/crypto/pqueue/pq_compat.h
index 28c58a026..fd3657888 100644
--- a/crypto/pqueue/pq_compat.h
+++ b/crypto/pqueue/pq_compat.h
@@ -57,7 +57,7 @@
  *
  */
 
-#include "opensslconf.h"
+#include <openssl/opensslconf.h>
 #include <openssl/bn.h>
 
 /*