diff --git a/src/lib/isIP.js b/src/lib/isIP.js
index dca52d2da..da9bb6ca9 100644
--- a/src/lib/isIP.js
+++ b/src/lib/isIP.js
@@ -42,7 +42,7 @@ const IPv6AddressRegExp = new RegExp('^(' +
   `(?:${IPv6SegmentFormat}:){2}(?:(:${IPv6SegmentFormat}){0,3}:${IPv4AddressFormat}|(:${IPv6SegmentFormat}){1,5}|:)|` +
   `(?:${IPv6SegmentFormat}:){1}(?:(:${IPv6SegmentFormat}){0,4}:${IPv4AddressFormat}|(:${IPv6SegmentFormat}){1,6}|:)|` +
   `(?::((?::${IPv6SegmentFormat}){0,5}:${IPv4AddressFormat}|(?::${IPv6SegmentFormat}){1,7}|:))` +
-  ')(%[0-9a-zA-Z-.:]{1,})?$');
+  ')(%[0-9a-zA-Z.]{1,})?$');
 
 export default function isIP(ipAddress, options = {}) {
   assertString(ipAddress);
diff --git a/test/validators/isIP.test.js b/test/validators/isIP.test.js
index 9b01d024f..62ebbd112 100644
--- a/test/validators/isIP.test.js
+++ b/test/validators/isIP.test.js
@@ -70,6 +70,8 @@ describe('isIP', () => {
         '2001:db8:0000:1:1:1:1::1',
         '0:0:0:0:0:0:ffff:127.0.0.1',
         '0:0:0:0:ffff:127.0.0.1',
+        'BC:e4d5:c:e7b9::%40i0nccymtl9cwfKo.5vaeXLSGRMe:EDh2qs5wkhnPws5xQKqafjfAMm6wGFCJ.bVFsZfb',
+        '1dC:0DF8:62D:3AC::%KTatXocjaFVioS0RTNQl4mA.V151o0RSy.JIu-D-D8.d3171ZWsSJ7PK4YjkJCRN0F',
       ],
     });