diff --git a/noise.c b/noise.c
index a094d25e..8ae0f987 100644
--- a/noise.c
+++ b/noise.c
@@ -40,6 +40,8 @@ void noise_get_heavy(void (*func) (void *, int))
     }
 
     read_random_seed(func);
+    /* Update the seed immediately, in case another instance uses it. */
+    random_save_seed();
 
     gsps = NULL;
     mod = GetModuleHandle("KERNEL32");
@@ -56,6 +58,7 @@ void random_save_seed(void)
     if (random_active) {
 	random_get_savedata(&data, &len);
 	write_random_seed(data, len);
+	sfree(data);
     }
 }
 
diff --git a/sshrand.c b/sshrand.c
index 7c401af4..95c7b492 100644
--- a/sshrand.c
+++ b/sshrand.c
@@ -201,7 +201,10 @@ int random_byte(void)
 
 void random_get_savedata(void **data, int *len)
 {
+    void *buf = smalloc(POOLSIZE / 2);
     random_stir();
-    *data = pool.pool + pool.poolpos;
+    memcpy(buf, pool.pool + pool.poolpos, POOLSIZE / 2);
     *len = POOLSIZE / 2;
+    *data = buf;
+    random_stir();
 }