diff --git a/src/Utils/Finder.php b/src/Utils/Finder.php
index a496528a..841c2878 100644
--- a/src/Utils/Finder.php
+++ b/src/Utils/Finder.php
@@ -505,6 +505,6 @@ private function buildPattern(string $mask): string
 				'\-' => '-',
 			],
 		);
-		return '#' . $anchor . $pattern . '$#D' . (defined('PHP_WINDOWS_VERSION_BUILD') ? 'i' : '');
+		return '#' . $anchor . $pattern . '$#D' . (Helpers::isWindows() ? 'i' : '');
 	}
 }
diff --git a/src/Utils/Helpers.php b/src/Utils/Helpers.php
index b3586c16..9ca59901 100644
--- a/src/Utils/Helpers.php
+++ b/src/Utils/Helpers.php
@@ -52,6 +52,15 @@ public static function falseToNull(mixed $value): mixed
 	}
 
 
+	/**
+	 * Determines if the script is running on a Windows operating system.
+	 */
+	public static function isWindows(): bool
+	{
+		return defined('PHP_WINDOWS_VERSION_BUILD');
+	}
+
+
 	/**
 	 * Returns value clamped to the inclusive range of min and max.
 	 */