diff --git a/src/config2setopts.c b/src/config2setopts.c
index 5e1722c3ee..a023287834 100644
--- a/src/config2setopts.c
+++ b/src/config2setopts.c
@@ -486,12 +486,14 @@ static CURLcode ssl_setopts(struct OperationConfig *config, CURL *curl)
 /* only called for HTTP transfers */
 static CURLcode http_setopts(struct OperationConfig *config, CURL *curl)
 {
-  CURLcode result;
+  CURLcode result = CURLE_OK;
   long postRedir = 0;
 
   my_setopt_long(curl, CURLOPT_FOLLOWLOCATION, config->followlocation);
   my_setopt_long(curl, CURLOPT_UNRESTRICTED_AUTH, config->unrestricted_auth);
+#ifndef CURL_DISABLE_AWS
   MY_SETOPT_STR(curl, CURLOPT_AWS_SIGV4, config->aws_sigv4);
+#endif
   my_setopt_long(curl, CURLOPT_AUTOREFERER, config->autoreferer);
 
   if(config->proxyheaders) {