diff --git a/src/port/pg_strong_random.c b/src/port/pg_strong_random.c
new file mode 100644
index bc7a8aa..fd5ad92
--- a/src/port/pg_strong_random.c
+++ b/src/port/pg_strong_random.c
@@ -103,6 +103,9 @@ pg_strong_random(void *buf, size_t len)
 	 * When built with OpenSSL, use OpenSSL's RAND_bytes function.
 	 */
 #if defined(USE_OPENSSL_RANDOM)
+	/* Make sure that OpenSSL's CSPRNG has been sufficiently seeded */
+	if (RAND_status() == 0)
+		(void) RAND_poll();
 	if (RAND_bytes(buf, len) == 1)
 		return true;
 	return false;