diff --git a/build.py b/build.py
index a60d9710..32edf753 100755
--- a/build.py
+++ b/build.py
@@ -1817,7 +1817,8 @@ class Builder(object):
         cleanup = True
 
         for dep in os.scandir(self.deps_path):
-            Builder.symlink_directory(dep.path, self.prefix_path, cleanup)
+            if dep.is_dir():
+                Builder.symlink_directory(dep.path, self.prefix_path, cleanup)
 
             # Do symlink cleanup only once
             cleanup = False