diff --git a/builtin/providers/digitalocean/resource_digitalocean_droplet.go b/builtin/providers/digitalocean/resource_digitalocean_droplet.go
index a44f3eb3a2..a33e20d881 100644
--- a/builtin/providers/digitalocean/resource_digitalocean_droplet.go
+++ b/builtin/providers/digitalocean/resource_digitalocean_droplet.go
@@ -76,6 +76,9 @@ func resourceDigitalOceanDroplet() *schema.Resource {
 			"ipv6_address": &schema.Schema{
 				Type:     schema.TypeString,
 				Computed: true,
+				StateFunc: func(val interface{}) string {
+					return strings.ToLower(val.(string))
+				},
 			},
 
 			"ipv6_address_private": &schema.Schema{
@@ -253,7 +256,7 @@ func resourceDigitalOceanDropletRead(d *schema.ResourceData, meta interface{}) e
 
 	if publicIPv6 := findIPv6AddrByType(droplet, "public"); publicIPv6 != "" {
 		d.Set("ipv6", true)
-		d.Set("ipv6_address", publicIPv6)
+		d.Set("ipv6_address", strings.ToLower(publicIPv6))
 		d.Set("ipv6_address_private", findIPv6AddrByType(droplet, "private"))
 	}
 
diff --git a/builtin/providers/digitalocean/resource_digitalocean_droplet_test.go b/builtin/providers/digitalocean/resource_digitalocean_droplet_test.go
index d6f2b190d3..9ac1473c1a 100644
--- a/builtin/providers/digitalocean/resource_digitalocean_droplet_test.go
+++ b/builtin/providers/digitalocean/resource_digitalocean_droplet_test.go
@@ -260,6 +260,16 @@ func testAccCheckDigitalOceanDropletAttributes_PrivateNetworkingIpv6(droplet *go
 			return fmt.Errorf("No ipv6 public: %s", findIPv6AddrByType(droplet, "public"))
 		}
 
+		for _, rs := range s.RootModule().Resources {
+			if rs.Type != "digitalocean_droplet" {
+				continue
+			}
+			if rs.Primary.Attributes["ipv6_address"] != strings.ToLower(findIPv6AddrByType(droplet, "public")) {
+				return fmt.Errorf("IPV6 Address should be lowercase")
+			}
+
+		}
+
 		return nil
 	}
 }