diff --git a/autospec/buildreq.py b/autospec/buildreq.py
index 3c7760fc..c97c5186 100644
--- a/autospec/buildreq.py
+++ b/autospec/buildreq.py
@@ -284,6 +284,7 @@ def __init__(self, url):
         self.extra_cmake_openmpi = set()
         self.verbose = False
         self.cargo_bin = False
+        self.pypi_provides = None
         self.banned_buildreqs = set(["llvm-devel",
                                      "gcj",
                                      "pkgconfig(dnl)",