diff --git a/CHANGES b/CHANGES
index 381b1389ff..c29f39bb8a 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,6 @@
+4692.	[bug]		Fix build failures with libressl introduced in 4676.
+			[RT #45879]
+
 4690.	[bug]		Command line options -4/-6 were handled inconsistently
 			between tools. [RT #45632]
 
diff --git a/lib/dns/openssl_link.c b/lib/dns/openssl_link.c
index 768c1b8520..5611152a78 100644
--- a/lib/dns/openssl_link.c
+++ b/lib/dns/openssl_link.c
@@ -124,7 +124,7 @@ lock_callback(int mode, int type, const char *file, int line) {
 }
 #endif
 
-#if OPENSSL_VERSION_NUMBER < 0x10000000L
+#if OPENSSL_VERSION_NUMBER < 0x10000000L || defined(LIBRESSL_VERSION_NUMBER)
 static unsigned long
 id_callback(void) {
 	return ((unsigned long)isc_thread_self());
@@ -221,7 +221,7 @@ dst__openssl_init(const char *engine) {
 	if (result != ISC_R_SUCCESS)
 		goto cleanup_mutexalloc;
 	CRYPTO_set_locking_callback(lock_callback);
-# if OPENSSL_VERSION_NUMBER >= 0x10000000L
+# if OPENSSL_VERSION_NUMBER >= 0x10000000L && OPENSSL_VERSION_NUMBER < 0x10100000L
 	CRYPTO_THREADID_set_callback(_set_thread_id);
 # else
 	CRYPTO_set_id_callback(id_callback);