diff --git a/rmgpy/rmg/main.py b/rmgpy/rmg/main.py
index 3dfeb9cb135..f8dbbf1e1b2 100644
--- a/rmgpy/rmg/main.py
+++ b/rmgpy/rmg/main.py
@@ -482,6 +482,7 @@ def initialize(self, **kwargs):
             util.makeOutputSubdirectory(self.outputDirectory, 'previous_restart')
             shutil.copytree(self.coreSeedPath, coreRestart)
             shutil.copytree(self.edgeSeedPath, edgeRestart)
+            os.mkdir(filtersRestart)
             shutil.copyfile(self.filtersPath, os.path.join(filtersRestart, 'filters.h5'))
             shutil.copyfile(self.speciesMapPath, os.path.join(filtersRestart, 'species_map.yml'))