diff --git a/src/components/forms/Label.js b/src/components/forms/Label.js
index d274d0414..34a0e8c88 100644
--- a/src/components/forms/Label.js
+++ b/src/components/forms/Label.js
@@ -19,7 +19,7 @@ export const LabelContent = ({id, disabled = false, isRequired = false, type, ch
     >
       <FormattedMessage
         description="Form field label, field possibly optional"
-        defaultMessage="{withAsterisk, select, true {<label></label>} other {<label></label> (optional)}}"
+        defaultMessage="{withAsterisk, select, true {<label></label>} other {<label></label> (not required)}}"
         values={{
           withAsterisk: requiredFieldsWithAsterisk,
           label: () => children,
diff --git a/src/formio/templates/checkbox.ejs b/src/formio/templates/checkbox.ejs
index 1429c9015..8e85ea84f 100644
--- a/src/formio/templates/checkbox.ejs
+++ b/src/formio/templates/checkbox.ejs
@@ -4,7 +4,7 @@
     for="{{ctx.instance.id}}-{{ctx.component.key}}"
     class="utrecht-form-label utrecht-form-label--checkbox {% if (ctx.disabled) { %}utrecht-form-label--disabled{% } %} {{ctx.input.labelClass}} {% if (ctx.component.validate.required && ctx.requiredFieldsWithAsterisk) { %}utrecht-form-label--openforms-required{% } %}"
   >
-    {{ctx.input.label}}{% if (!ctx.component.validate.required && !ctx.requiredFieldsWithAsterisk) { %}&nbsp;{{ ctx.t('(optional)') }} {% } %}
+    {{ctx.input.label}}{% if (!ctx.component.validate.required && !ctx.requiredFieldsWithAsterisk) { %}&nbsp;{{ ctx.t('(not required)') }} {% } %}
     {% if (ctx.component.tooltip) { %}
       <i ref="tooltip" class="openforms-tooltip-icon {{ctx.iconClass('question-sign')}}" data-tooltip="{{ ctx.tooltip }}"></i>
     {% } %}
diff --git a/src/formio/templates/label.ejs b/src/formio/templates/label.ejs
index 2e06ddb42..024679b8c 100644
--- a/src/formio/templates/label.ejs
+++ b/src/formio/templates/label.ejs
@@ -8,7 +8,7 @@
   >
     {{ ctx.t(ctx.component.label, { _userInput: true }) }}
     {% if (!ctx.component.validate.required && !ctx.requiredFieldsWithAsterisk) { %}
-      {{ ctx.t('(optional)') }}
+      {{ ctx.t('(not required)') }}
     {% } %}
     {% if (ctx.component.tooltip) { %}
       <i ref="tooltip" class="openforms-tooltip-icon {{ctx.iconClass('question-sign')}}" data-tooltip="{{ ctx.tooltip }}"></i>
diff --git a/src/i18n/compiled/en.json b/src/i18n/compiled/en.json
index d2849121f..9d86e3057 100644
--- a/src/i18n/compiled/en.json
+++ b/src/i18n/compiled/en.json
@@ -1687,38 +1687,6 @@
       "value": "Log in to co-sign the form"
     }
   ],
-  "qf2UCG": [
-    {
-      "options": {
-        "other": {
-          "value": [
-            {
-              "children": [
-              ],
-              "type": 8,
-              "value": "label"
-            },
-            {
-              "type": 0,
-              "value": " (optional)"
-            }
-          ]
-        },
-        "true": {
-          "value": [
-            {
-              "children": [
-              ],
-              "type": 8,
-              "value": "label"
-            }
-          ]
-        }
-      },
-      "type": 5,
-      "value": "withAsterisk"
-    }
-  ],
   "r1L6Zj": [
     {
       "type": 0,
@@ -1903,6 +1871,38 @@
       "value": "Co-sign confirmation"
     }
   ],
+  "yXbqL6": [
+    {
+      "options": {
+        "other": {
+          "value": [
+            {
+              "children": [
+              ],
+              "type": 8,
+              "value": "label"
+            },
+            {
+              "type": 0,
+              "value": " (not required)"
+            }
+          ]
+        },
+        "true": {
+          "value": [
+            {
+              "children": [
+              ],
+              "type": 8,
+              "value": "label"
+            }
+          ]
+        }
+      },
+      "type": 5,
+      "value": "withAsterisk"
+    }
+  ],
   "zQWnFh": [
     {
       "type": 0,
diff --git a/src/i18n/compiled/nl.json b/src/i18n/compiled/nl.json
index d64910fca..e8882bb47 100644
--- a/src/i18n/compiled/nl.json
+++ b/src/i18n/compiled/nl.json
@@ -1691,38 +1691,6 @@
       "value": "Log in om het formulier mede te ondertekenen"
     }
   ],
-  "qf2UCG": [
-    {
-      "options": {
-        "other": {
-          "value": [
-            {
-              "children": [
-              ],
-              "type": 8,
-              "value": "label"
-            },
-            {
-              "type": 0,
-              "value": " (optioneel)"
-            }
-          ]
-        },
-        "true": {
-          "value": [
-            {
-              "children": [
-              ],
-              "type": 8,
-              "value": "label"
-            }
-          ]
-        }
-      },
-      "type": 5,
-      "value": "withAsterisk"
-    }
-  ],
   "r1L6Zj": [
     {
       "type": 0,
@@ -1907,6 +1875,38 @@
       "value": "Bevestiging mede-ondertekening"
     }
   ],
+  "yXbqL6": [
+    {
+      "options": {
+        "other": {
+          "value": [
+            {
+              "children": [
+              ],
+              "type": 8,
+              "value": "label"
+            },
+            {
+              "type": 0,
+              "value": " (niet verplicht)"
+            }
+          ]
+        },
+        "true": {
+          "value": [
+            {
+              "children": [
+              ],
+              "type": 8,
+              "value": "label"
+            }
+          ]
+        }
+      },
+      "type": 5,
+      "value": "withAsterisk"
+    }
+  ],
   "zQWnFh": [
     {
       "type": 0,
diff --git a/src/i18n/messages/en.json b/src/i18n/messages/en.json
index 05f1d9c15..e7fa649d6 100644
--- a/src/i18n/messages/en.json
+++ b/src/i18n/messages/en.json
@@ -764,11 +764,6 @@
     "description": "Log in to co-sign the form title",
     "originalDefault": "Log in to co-sign the form"
   },
-  "qf2UCG": {
-    "defaultMessage": "{withAsterisk, select, true {<label></label>} other {<label></label> (optional)}}",
-    "description": "Form field label, field possibly optional",
-    "originalDefault": "{withAsterisk, select, true {<label></label>} other {<label></label> (optional)}}"
-  },
   "r1L6Zj": {
     "defaultMessage": "Suspending the form failed, please try again later",
     "description": "Modal suspending form failed message",
@@ -849,6 +844,11 @@
     "description": "On succesful completion title",
     "originalDefault": "Co-sign confirmation"
   },
+  "yXbqL6": {
+    "defaultMessage": "{withAsterisk, select, true {<label></label>} other {<label></label> (not required)}}",
+    "description": "Form field label, field possibly optional",
+    "originalDefault": "{withAsterisk, select, true {<label></label>} other {<label></label> (not required)}}"
+  },
   "zQWnFh": {
     "defaultMessage": "Are you sure that you want to logout and not co-sign the current form submission?",
     "description": "log out confirmation prompt on co-sign page",
diff --git a/src/i18n/messages/nl.json b/src/i18n/messages/nl.json
index 7fbe46c98..c503ffa7c 100644
--- a/src/i18n/messages/nl.json
+++ b/src/i18n/messages/nl.json
@@ -774,11 +774,6 @@
     "description": "Log in to co-sign the form title",
     "originalDefault": "Log in to co-sign the form"
   },
-  "qf2UCG": {
-    "defaultMessage": "{withAsterisk, select, true {<label></label>} other {<label></label> (optioneel)}}",
-    "description": "Form field label, field possibly optional",
-    "originalDefault": "{withAsterisk, select, true {<label></label>} other {<label></label> (optional)}}"
-  },
   "r1L6Zj": {
     "defaultMessage": "Het pauzeren van het formulier is mislukt. Probeer het later opnieuw.",
     "description": "Modal suspending form failed message",
@@ -859,6 +854,11 @@
     "description": "On succesful completion title",
     "originalDefault": "Co-sign confirmation"
   },
+  "yXbqL6": {
+    "defaultMessage": "{withAsterisk, select, true {<label></label>} other {<label></label> (niet verplicht)}}",
+    "description": "Form field label, field possibly optional",
+    "originalDefault": "{withAsterisk, select, true {<label></label>} other {<label></label> (not required)}}"
+  },
   "zQWnFh": {
     "defaultMessage": "Bent u zeker dat u wilt uitloggen en hiermee de inzending niet mede-ondertekent?",
     "description": "log out confirmation prompt on co-sign page",