diff --git a/crypto/rand/rand_lib.c b/crypto/rand/rand_lib.c
index ce4e17c41496a11009a83f3975b22cc9128d6221..945ea1e795864c2c2b1a2ce3b2b20adf95ebf645 100644
--- a/crypto/rand/rand_lib.c
+++ b/crypto/rand/rand_lib.c
@@ -161,7 +161,9 @@ size_t rand_drbg_get_entropy(RAND_DRBG *drbg,
             size_t bytes = 0;
 
             /*
-             * Get random from parent, include our state as additional input.
+             * Get random data from parent. Include our address as additional input,
+             * in order to provide some additional distinction between different
+             * DRBG child instances.
              * Our lock is already held, but we need to lock our parent before
              * generating bits from it. (Note: taking the lock will be a no-op
              * if locking if drbg->parent->lock == NULL.)
@@ -170,7 +172,7 @@ size_t rand_drbg_get_entropy(RAND_DRBG *drbg,
             if (RAND_DRBG_generate(drbg->parent,
                                    buffer, bytes_needed,
                                    prediction_resistance,
-                                   NULL, 0) != 0)
+                                   (unsigned char *)&drbg, sizeof(drbg)) != 0)
                 bytes = bytes_needed;
             drbg->reseed_next_counter
                 = tsan_load(&drbg->parent->reseed_prop_counter);