diff --git a/src/PhoneInput/constants.ts b/src/PhoneInput/constants.ts
index 126c07f..162d729 100644
--- a/src/PhoneInput/constants.ts
+++ b/src/PhoneInput/constants.ts
@@ -329,6 +329,7 @@ export const MASK_PER_COUNTRY: Partial<{
     /\d/,
     /\d/,
     /\d/,
+    /\d/,
     '-',
     /\d/,
     /\d/,