diff --git a/inc/functions.php b/inc/functions.php
index 6db43ea..fe77ca2 100644
--- a/inc/functions.php
+++ b/inc/functions.php
@@ -53,7 +53,7 @@ function withAssetSuffix(string $file): string
  */
 function symlinkedAssetFolder(string $originDir, string $name): ?string
 {
-    // we're using realpath here, otherwise the comparisment with
+    // we're using realpath here, otherwise the comparison with
     // readlink will not work.
     $originDir = realpath($originDir);
 
@@ -74,6 +74,10 @@ function symlinkedAssetFolder(string $originDir, string $name): ?string
         unlink($targetDir);
     }
 
+    if(!function_exists('symlink')) {
+        return null;
+    }
+
     if (!symlink($originDir, $targetDir)) {
         return null;
     }