diff --git a/vxworks-6.9/target/src/openssl/OPENSSL/openssl-3.5.0/apps/enc.c b/vxworks-6.9/target/src/openssl/OPENSSL/openssl-3.5.0/apps/enc.c
index 3f45ba15..887159f4 100644
--- a/vxworks-6.9/target/src/openssl/OPENSSL/openssl-3.5.0/apps/enc.c
+++ b/vxworks-6.9/target/src/openssl/OPENSSL/openssl-3.5.0/apps/enc.c
@@ -158,6 +158,8 @@ int enc_main(int argc, char **argv)
     const char *skeymgmt = NULL;
     EVP_SKEY *skey = NULL;
     EVP_SKEYMGMT *mgmt = NULL;
+	
+	reset_unknown();
 
     /* first check the command name */
     if (strcmp(argv[0], "base64") == 0)