diff --git a/forms/common-themes/src/main/resources/theme/base/admin/resources/partials/otp-policy.html b/forms/common-themes/src/main/resources/theme/base/admin/resources/partials/otp-policy.html
index 85ad20b..bf06303 100755
--- a/forms/common-themes/src/main/resources/theme/base/admin/resources/partials/otp-policy.html
+++ b/forms/common-themes/src/main/resources/theme/base/admin/resources/partials/otp-policy.html
@@ -46,7 +46,7 @@
<div class="form-group">
<label class="col-md-2 control-label" for="lookAhead">Look ahead window</label>
<div class="col-md-6">
- <input class="form-control" type="text" id="lookAhead" name="lookAhead" data-ng-model="realm.otpPolicyLookAheadWindow" autofocus>
+ <input class="form-control" type="number" required min="1" max="120" id="lookAhead" name="lookAhead" data-ng-model="realm.otpPolicyLookAheadWindow" autofocus>
</div>
<kc-tooltip>How far ahead should the server look just in case the token generator and server are out of time sync or counter sync?</kc-tooltip>
</div>
@@ -62,7 +62,7 @@
<div class="form-group" data-ng-show="realm.otpPolicyType == 'totp'">
<label class="col-md-2 control-label" for="counter">OTP Token Period</label>
<div class="col-md-6">
- <input class="form-control" type="text" id="period" name="period" data-ng-model="realm.otpPolicyPeriod">
+ <input class="form-control" type="number" required min="1" max="120" id="period" name="period" data-ng-model="realm.otpPolicyPeriod">
</div>
<kc-tooltip>How many seconds should an OTP token be valid? Defaults to 30 seconds.</kc-tooltip>
</div>
@@ -79,4 +79,4 @@
</div>
-<kc-menu></kc-menu>
\ No newline at end of file
+<kc-menu></kc-menu>
