diff --git a/src/bundle/Resources/public/scss/_tag-view-select.scss b/src/bundle/Resources/public/scss/_tag-view-select.scss
index 5fc838a7f5..a3ff5ca12a 100644
--- a/src/bundle/Resources/public/scss/_tag-view-select.scss
+++ b/src/bundle/Resources/public/scss/_tag-view-select.scss
@@ -107,6 +107,20 @@
         margin-top: calculateRem(24px);
     }
 
+    &.is-invalid {
+        @include input-invalid();
+
+        #{$self} {
+            &__info {
+                color: $ibexa-color-danger-600;
+            }
+
+            &__btn-select-path {
+                background-color: $ibexa-color-white;
+            }
+        }
+    }
+
     &:disabled,
     &[disabled] {
         @include colorful-tags($ibexa-color-dark-400, $ibexa-color-light-300);
diff --git a/src/bundle/Resources/views/themes/admin/ui/component/dropdown/dropdown.html.twig b/src/bundle/Resources/views/themes/admin/ui/component/dropdown/dropdown.html.twig
index 6ed7168765..9aef9b67ef 100644
--- a/src/bundle/Resources/views/themes/admin/ui/component/dropdown/dropdown.html.twig
+++ b/src/bundle/Resources/views/themes/admin/ui/component/dropdown/dropdown.html.twig
@@ -17,6 +17,7 @@
 {% set is_dynamic = is_dynamic|default(false) %}
 {% set is_disabled = is_disabled|default(false) or attr.readonly|default(false) %}
 {% set is_selector = is_selector|default(false) %}
+{% set is_invalid = is_invalid|default(false) %}
 {% set has_select_all_toggler = has_select_all_toggler|default(false) %}
 {% set item_icon = item_icon|default() %}
 {% set item_icon_class = item_icon_class|default('') %}
@@ -36,6 +37,7 @@
         ~ (is_ghost|default(false) ? 'ibexa-dropdown--ghost ')
         ~ (is_selector ? 'ibexa-dropdown--selector ')
         ~ (no_items and not is_dynamic or is_disabled ? 'ibexa-dropdown--disabled ')
+        ~ (is_invalid ? 'is-invalid ')
         ~ class|default('') ~ ' '
         ~ attr.class|default('') ~ ' ')|trim,
     hidden: attr.hidden|default(is_hidden|default(false) ? 'hidden' : false)
diff --git a/src/bundle/Resources/views/themes/admin/ui/component/tag_view_select/tag_view_select.html.twig b/src/bundle/Resources/views/themes/admin/ui/component/tag_view_select/tag_view_select.html.twig
index 57a5e8f3d5..98ebc7b4fa 100644
--- a/src/bundle/Resources/views/themes/admin/ui/component/tag_view_select/tag_view_select.html.twig
+++ b/src/bundle/Resources/views/themes/admin/ui/component/tag_view_select/tag_view_select.html.twig
@@ -7,17 +7,23 @@
 {% set separator = separator|default(',') %}
 {% set values = form.vars.value|split(separator)|filter(value => value is not empty) %}
 {% set has_value = values|length > 0 %}
+{% set has_errors = form.vars.errors|length > 0 %}
 {% set can_be_empty = can_be_empty is defined ? can_be_empty : false %}
 {% set is_single_select = is_single_select is defined ? is_single_select : false %}
 {% set is_delete_visible = can_be_empty or values|length != 1 %}
 {% set default_title = 'tag_view_select.info'|trans|desc('Select location') %}
 {% set is_disabled = attr.disabled is defined ? attr.disabled : false %}
+{% set is_invalid = is_invalid|default(has_errors) %}
 {% set default_type = 'tag_view_select.default_type'|trans|desc('path') %}
 {% set type = type|default(default_type) %}
 {% set show_title = show_title ?? true %}
 
+{% set class = 'ibexa-tag-view-select '
+    ~ (is_invalid ? 'is-invalid ')
+    ~ class|default('') %}
+
 <div
-    class="ibexa-tag-view-select {{ class|default('') }}"
+    class="{{ class }}"
     data-is-single-select="{{ is_single_select }}"
     data-can-be-empty="{{ can_be_empty }}"
     {% if is_disabled %}disabled{% endif %}
diff --git a/src/bundle/Resources/views/themes/admin/ui/form_fields/dropdown_widget.html.twig b/src/bundle/Resources/views/themes/admin/ui/form_fields/dropdown_widget.html.twig
index 70dc38cf11..e022ef7804 100644
--- a/src/bundle/Resources/views/themes/admin/ui/form_fields/dropdown_widget.html.twig
+++ b/src/bundle/Resources/views/themes/admin/ui/form_fields/dropdown_widget.html.twig
@@ -8,6 +8,7 @@
         {% set source %}
             {{- block('choice_widget_collapsed') -}}
         {% endset %}
+        {% set has_errors = form.vars.errors|length > 0 %}
 
         {% include '@ibexadesign/ui/component/dropdown/dropdown.html.twig' with {
             source: source,
@@ -25,6 +26,7 @@
             is_ghost: attr.is_ghost|default(false),
             is_selector: attr.is_selector|default(false),
             is_dynamic: attr.is_dynamic|default(false),
+            is_invalid: attr.is_invalid|default(has_errors),
             has_select_all_toggler: attr.has_select_all_toggler|default(false),
             placeholder: attr.placeholder|default(placeholder),
             selected_item_template_path: selected_item_template_path|default(null),