diff --git a/spacy/util.py b/spacy/util.py
index 71dff4321..a67b05eb2 100644
--- a/spacy/util.py
+++ b/spacy/util.py
@@ -494,7 +494,7 @@ def from_disk(path, readers, exclude):
     path = ensure_path(path)
     for key, reader in readers.items():
         if key not in exclude:
-            reader(path2str(path / key))
+            reader(path / key)
     return path
 
 
diff --git a/spacy/vectors.pyx b/spacy/vectors.pyx
index 8ce150531..5512279ae 100644
--- a/spacy/vectors.pyx
+++ b/spacy/vectors.pyx
@@ -12,7 +12,7 @@ from thinc.neural._classes.model import Model
 from .typedefs cimport attr_t
 from .strings cimport StringStore
 from . import util
-from .compat import basestring_
+from .compat import basestring_, path2str
 
 
 cdef class Vectors:
@@ -162,7 +162,7 @@ cdef class Vectors:
     def from_disk(self, path, **exclude):
         def load_keys(path):
             if path.exists():
-                self.keys = numpy.load(path)
+                self.keys = numpy.load(path2str(path))
                 for i, key in enumerate(self.keys):
                     self.keys[i] = key
                     self.key2row[key] = i