diff --git a/wolfcrypt/src/asn.c b/wolfcrypt/src/asn.c
index f4a1bd28b..a2eeaf039 100644
--- a/wolfcrypt/src/asn.c
+++ b/wolfcrypt/src/asn.c
@@ -15167,6 +15167,7 @@ int DecodeECC_DSA_Sig(const byte* sig, word32 sigLen, mp_int* r, mp_int* s)
     }
 
     if (GetInt(s, sig, &idx, sigLen) < 0) {
+        mp_clear(r);
         return ASN_ECC_KEY_E;
     }