diff --git a/attribute/accesskey.go b/attribute/accesskey.go
index a1bcede..b593de1 100644
--- a/attribute/accesskey.go
+++ b/attribute/accesskey.go
@@ -2,9 +2,15 @@ package attribute
 
 import "gitlab.codemonkeysoftware.net/b/hatmill"
 
+type AccessKeyCode rune
+
+func (c AccessKeyCode) String() string {
+	return string([]rune{rune(c)})
+}
+
 func Accesskey(value rune) hatmill.Attrib {
 	return hatmill.Attrib{
 		Key:   "accesskey",
-		Value: String([]rune{value}),
+		Value: AccessKeyCode(value),
 	}
 }
diff --git a/attribute/accesskey_test.go b/attribute/accesskey_test.go
new file mode 100644
index 0000000..16404bb
--- /dev/null
+++ b/attribute/accesskey_test.go
@@ -0,0 +1,12 @@
+package attribute_test
+
+import (
+	"gitlab.codemonkeysoftware.net/b/hatmill/attribute"
+	"testing"
+)
+
+func TestAccessKeyString(t *testing.T) {
+	actual := attribute.AccessKeyCode('a').String()
+	expected := "a"
+	expectEqualStrings(t, actual, expected)
+}