diff --git a/builtin/providers/aws/resource_aws_db_instance.go b/builtin/providers/aws/resource_aws_db_instance.go
index cd394216f2..47a98b73d3 100644
--- a/builtin/providers/aws/resource_aws_db_instance.go
+++ b/builtin/providers/aws/resource_aws_db_instance.go
@@ -90,7 +90,7 @@ func resourceAwsDbInstance() *schema.Resource {
 					}
 					if regexp.MustCompile(`-$`).MatchString(value) {
 						errors = append(errors, fmt.Errorf(
-							"%q cannot end with a hyphen"))
+							"%q cannot end with a hyphen", k))
 					}
 					return
 				},