diff --git a/src/opnsense/mvc/app/models/OPNsense/Base/FieldTypes/AuthenticationServerField.php b/src/opnsense/mvc/app/models/OPNsense/Base/FieldTypes/AuthenticationServerField.php
index 27fc74a27..65fbfe203 100644
--- a/src/opnsense/mvc/app/models/OPNsense/Base/FieldTypes/AuthenticationServerField.php
+++ b/src/opnsense/mvc/app/models/OPNsense/Base/FieldTypes/AuthenticationServerField.php
@@ -121,7 +121,7 @@ class AuthenticationServerField extends BaseField
      * select if multiple authentication servers may be selected at once
      * @param $value boolean value Y/N
      */
-    public function setmultiple($value)
+    public function setMultiple($value)
     {
         if (trim(strtoupper($value)) == "Y") {
             $this->internalMultiSelect = true;
diff --git a/src/opnsense/mvc/app/models/OPNsense/Base/FieldTypes/CountryField.php b/src/opnsense/mvc/app/models/OPNsense/Base/FieldTypes/CountryField.php
index 799794310..081e2dad5 100644
--- a/src/opnsense/mvc/app/models/OPNsense/Base/FieldTypes/CountryField.php
+++ b/src/opnsense/mvc/app/models/OPNsense/Base/FieldTypes/CountryField.php
@@ -89,7 +89,7 @@ class CountryField extends BaseField
      * select if multiple countries may be selected at once
      * @param $value boolean value Y/N
      */
-    public function setmultiple($value)
+    public function setMultiple($value)
     {
         if (trim(strtoupper($value)) == "Y") {
             $this->internalMultiSelect = true;
diff --git a/src/opnsense/mvc/app/models/OPNsense/Base/FieldTypes/InterfaceField.php b/src/opnsense/mvc/app/models/OPNsense/Base/FieldTypes/InterfaceField.php
index 43efcbcdf..cb93e9326 100644
--- a/src/opnsense/mvc/app/models/OPNsense/Base/FieldTypes/InterfaceField.php
+++ b/src/opnsense/mvc/app/models/OPNsense/Base/FieldTypes/InterfaceField.php
@@ -128,7 +128,7 @@ class InterfaceField extends BaseField
      * select if multiple interfaces may be selected at once
      * @param $value boolean value 0/1
      */
-    public function setmultiple($value)
+    public function setMultiple($value)
     {
         if (trim(strtoupper($value)) == "Y") {
             $this->internalMultiSelect = true;