diff --git a/uproot/rootio.py b/uproot/rootio.py
index b912edeb..0bbe0089 100644
--- a/uproot/rootio.py
+++ b/uproot/rootio.py
@@ -54,6 +54,11 @@
 ################################################################ high-level interface
 
 def open(path, localsource=MemmapSource.defaults, xrootdsource=XRootDSource.defaults, httpsource=HTTPSource.defaults, **options):
+    if path.__class__.__module__ == "pathlib":
+        import pathlib
+        if isinstance(path, pathlib.Path):
+            path = str(path)
+
     parsed = urlparse(path)
     if _bytesid(parsed.scheme) == b"file" or len(parsed.scheme) == 0:
         path = parsed.netloc + parsed.path
diff --git a/uproot/tree.py b/uproot/tree.py
index 2ad3b556..d172d290 100644
--- a/uproot/tree.py
+++ b/uproot/tree.py
@@ -99,6 +99,10 @@ def _delayedraise(excinfo):
             raise err.with_traceback(trc)
 
 def _filename_explode(x):
+    if x.__class__.__module__ == "pathlib":
+        import pathlib
+        if isinstance(x, pathlib.Path):
+            x = str(x)
     parsed = urlparse(x)
     if _bytesid(parsed.scheme) == b"file" or len(parsed.scheme) == 0:
         pattern = os.path.expanduser(parsed.netloc + parsed.path)