diff --git a/src/utils/EnumTrait.php b/src/utils/EnumTrait.php
index 40057b9ea..fd927a203 100644
--- a/src/utils/EnumTrait.php
+++ b/src/utils/EnumTrait.php
@@ -70,7 +70,7 @@ trait EnumTrait{
 	 * @throws \InvalidArgumentException
 	 */
 	private function __construct(string $enumName){
-		if(preg_match('/^\D[A-Za-z\d_]+$/u', $enumName, $matches) === 0){
+		if(preg_match('/^(?!\d)[A-Za-z\d_]+$/u', $enumName, $matches) === 0){
 			throw new \InvalidArgumentException("Invalid enum member name \"$enumName\", should only contain letters, numbers and underscores, and must not start with a number");
 		}
 		$this->enumName = $enumName;