diff --git a/wolfcrypt/src/pkcs7.c b/wolfcrypt/src/pkcs7.c
index 5b5e569d1..c5e314f71 100644
--- a/wolfcrypt/src/pkcs7.c
+++ b/wolfcrypt/src/pkcs7.c
@@ -12372,7 +12372,7 @@ WOLFSSL_API int wc_PKCS7_DecodeEnvelopedData(wc_PKCS7* pkcs7, byte* in,
     byte padLen;
     byte* encryptedContent = NULL;
     int explicitOctet = 0;
-    word32 localIdx;
+    word32 localIdx = 0;
     byte   tag = 0;
 
     if (pkcs7 == NULL)