diff --git a/snapcraft/pluginhandler.py b/snapcraft/pluginhandler.py
index 53d41b9..f2ea1c6 100644
--- a/snapcraft/pluginhandler.py
+++ b/snapcraft/pluginhandler.py
@@ -309,7 +309,9 @@ def _migrate_files(snap_files, snap_dirs, srcdir, dstdir, missing_ok=False):
         os.makedirs(os.path.dirname(dst), exist_ok=True)
         if missing_ok and not os.path.exists(src):
             continue
-        if not os.path.exists(dst) and not os.path.islink(dst):
+        if os.path.exists(dst) and not os.path.islink(dst):
+            os.unlink(dst)
+        if not os.path.islink(dst) and not os.path.islink(dst):
             os.link(src, dst, follow_symlinks=False)