diff --git a/plugins/download.py b/plugins/download.py
index bbf6fb25f..eb123f7f5 100644
--- a/plugins/download.py
+++ b/plugins/download.py
@@ -219,7 +219,7 @@ def _get_source_packages(pkgs):
 
     def _get_query(self, pkg_spec):
         """Return a query to match a pkg_spec."""
-        if os.path.exists(pkg_spec):
+        if pkg_spec.endswith('.rpm') and os.path.isfile(pkg_spec):
             pkgs = self.base.add_remote_rpms([pkg_spec])
             pkg_spec = "{0.name}-{0.epoch}:{0.version}-{0.release}.{0.arch}".format(pkgs[0])