diff --git a/src/Composer/Installer/LibraryInstaller.php b/src/Composer/Installer/LibraryInstaller.php
index 5bbba4815..5ec3ccce0 100644
--- a/src/Composer/Installer/LibraryInstaller.php
+++ b/src/Composer/Installer/LibraryInstaller.php
@@ -227,7 +227,7 @@ class LibraryInstaller implements InstallerInterface
         }
         foreach ($binaries as $bin) {
             $link = $this->binDir.'/'.basename($bin);
-            if (file_exists($link)) {
+            if (is_link($link) || file_exists($link)) {
                 unlink($link);
             }
             if (file_exists($link.'.bat')) {