diff --git a/setup.py b/setup.py
index 6edd7495..843b0a84 100755
--- a/setup.py
+++ b/setup.py
@@ -922,7 +922,11 @@ class Setup():
         if target.startswith('./') or target.startswith('../'):
             os.symlink(target, dest)
         elif '/' not in target:
-            os.symlink('./' + target, dest)
+            try:
+                os.symlink('./' + target, dest)
+            except OSError as e:
+                if e.errno != 17:
+                    raise
         else:
             targets = target.split('/')
             dests = dest.split('/')