diff --git a/include/fluent-bit/flb_config.h b/include/fluent-bit/flb_config.h
index 9bbc1b71996..82003386d6e 100644
--- a/include/fluent-bit/flb_config.h
+++ b/include/fluent-bit/flb_config.h
@@ -213,6 +213,7 @@ struct flb_config {
     char *dns_mode;
     char *dns_resolver;
     int   dns_prefer_ipv4;
+    int   dns_prefer_ipv6;
 
     /* Chunk I/O Buffering */
     void *cio;
@@ -350,6 +351,7 @@ enum conf_type {
 #define FLB_CONF_DNS_MODE              "dns.mode"
 #define FLB_CONF_DNS_RESOLVER          "dns.resolver"
 #define FLB_CONF_DNS_PREFER_IPV4       "dns.prefer_ipv4"
+#define FLB_CONF_DNS_PREFER_IPV6       "dns.prefer_ipv6"
 
 /* Storage / Chunk I/O */
 #define FLB_CONF_STORAGE_PATH          "storage.path"
diff --git a/src/flb_config.c b/src/flb_config.c
index f4c05e2e32d..9aa38dad756 100644
--- a/src/flb_config.c
+++ b/src/flb_config.c
@@ -125,6 +125,10 @@ struct flb_service_config service_configs[] = {
      FLB_CONF_TYPE_BOOL,
      offsetof(struct flb_config, dns_prefer_ipv4)},
 
+    {FLB_CONF_DNS_PREFER_IPV6,
+     FLB_CONF_TYPE_BOOL,
+     offsetof(struct flb_config, dns_prefer_ipv6)},
+
     /* Storage */
     {FLB_CONF_STORAGE_PATH,
      FLB_CONF_TYPE_STR,