diff --git a/wolfcrypt/src/random.c b/wolfcrypt/src/random.c
index 88e5adda63..7334bfecab 100644
--- a/wolfcrypt/src/random.c
+++ b/wolfcrypt/src/random.c
@@ -2040,6 +2040,7 @@ int wc_FreeRng(WC_RNG* rng)
 #ifndef USE_WINDOWS_API
     if(rng->seed.fd != 0 && rng->seed.fd != -1) {
         close(rng->seed.fd);
+        rng->seed.fd = -1;
     }
 #endif