diff --git a/src/Composer/Package/Archiver/ArchivableFilesFinder.php b/src/Composer/Package/Archiver/ArchivableFilesFinder.php
index a4382c029..70be41624 100644
--- a/src/Composer/Package/Archiver/ArchivableFilesFinder.php
+++ b/src/Composer/Package/Archiver/ArchivableFilesFinder.php
@@ -58,7 +58,7 @@ class ArchivableFilesFinder extends \FilterIterator
         $this->finder = new Finder();
 
         $filter = function (\SplFileInfo $file) use ($sources, $filters, $fs): bool {
-            if ($file->isLink() && strpos($file->getRealPath(), $sources) !== 0) {
+            if ($file->isLink() && ($file->getRealPath() === false || strpos($file->getRealPath(), $sources) !== 0)) {
                 return false;
             }