diff --git a/wolfcrypt/src/asn.c b/wolfcrypt/src/asn.c
index 73b51bc28..cb8cee79c 100644
--- a/wolfcrypt/src/asn.c
+++ b/wolfcrypt/src/asn.c
@@ -1444,6 +1444,7 @@ int wc_DsaKeyToDer(DsaKey* key, byte* output, word32 inLen)
     word32 seqSz, verSz, rawLen, intTotalLen = 0;
     word32 sizes[DSA_INTS];
     int    i, j, outLen, ret = 0, lbit;
+    int    err;
 
     byte  seq[MAX_SEQ_SZ];
     byte  ver[MAX_VERSION_SZ];