diff --git a/providers/implementations/rands/seed_src.c b/providers/implementations/rands/seed_src.c
index b335a63862..1faab39138 100644
--- a/providers/implementations/rands/seed_src.c
+++ b/providers/implementations/rands/seed_src.c
@@ -112,8 +112,10 @@ static int seed_src_generate(void *vseed, unsigned char *out, size_t outlen,
     entropy_available = ossl_pool_acquire_entropy(pool);
 
     if (entropy_available > 0) {
-        if (!ossl_rand_pool_adin_mix_in(pool, adin, adin_len))
+        if (!ossl_rand_pool_adin_mix_in(pool, adin, adin_len)) {
+            ossl_rand_pool_free(pool);
             return 0;
+        }
         memcpy(out, ossl_rand_pool_buffer(pool), ossl_rand_pool_length(pool));
     }
 
diff --git a/providers/implementations/rands/seed_src_jitter.c b/providers/implementations/rands/seed_src_jitter.c
index 5d1ff37402..3df03f1e23 100644
--- a/providers/implementations/rands/seed_src_jitter.c
+++ b/providers/implementations/rands/seed_src_jitter.c
@@ -198,8 +198,10 @@ static int jitter_generate(void *vseed, unsigned char *out, size_t outlen,
     entropy_available = ossl_prov_acquire_entropy_from_jitter(s, pool);
 
     if (entropy_available > 0) {
-        if (!ossl_rand_pool_adin_mix_in(pool, adin, adin_len))
+        if (!ossl_rand_pool_adin_mix_in(pool, adin, adin_len)) {
+            ossl_rand_pool_free(pool);
             return 0;
+        }
         memcpy(out, ossl_rand_pool_buffer(pool), ossl_rand_pool_length(pool));
     }