diff --git a/src/lib/elements/forms/inputSelect.svelte b/src/lib/elements/forms/inputSelect.svelte
index 0b3663529..fd37a958c 100644
--- a/src/lib/elements/forms/inputSelect.svelte
+++ b/src/lib/elements/forms/inputSelect.svelte
@@ -27,15 +27,17 @@
         error = element.validationMessage;
     };
 
-    $: if (element && required && !value) {
-        element.setCustomValidity('This field is required');
+    const isNotEmpty = (value: string | number | boolean) => {
+        return typeof value === 'boolean' ? true : !!value;
+    };
+
+    $: if (required && !isNotEmpty(value)) {
+        element?.setCustomValidity('This field is required');
+    } else {
+        element?.setCustomValidity('');
     }
 
-    $: if (element && required && value) {
-        element.setCustomValidity('');
-    }
-
-    $: if (value) {
+    $: if (isNotEmpty(value)) {
         error = null;
     }