diff --git a/main_test.go b/main_test.go
index 80b7da4..149a8dc 100644
--- a/main_test.go
+++ b/main_test.go
@@ -23,7 +23,7 @@ type TestData struct {
 }
 
 func TestToukiboParser(t *testing.T) {
-	testCount := 788
+	testCount := 789
 
 	for i := 1; i <= testCount; i++ {
 		t.Run(fmt.Sprintf("test%d", i), func(t *testing.T) {
diff --git a/toukibo/zenkaku.go b/toukibo/zenkaku.go
index 8a4dbb1..568c92d 100644
--- a/toukibo/zenkaku.go
+++ b/toukibo/zenkaku.go
@@ -49,7 +49,7 @@ func normalizeKanji(input string) string {
 	var sb strings.Builder
 	for _, r := range input {
 		switch r {
-		case 57451:
+		case 57451, 57510:
 			sb.WriteRune('塚')
 		case 57735:
 			sb.WriteRune('西')