diff --git a/src/uproot/_util.py b/src/uproot/_util.py
index 3196bda76..9e73cb7b4 100644
--- a/src/uproot/_util.py
+++ b/src/uproot/_util.py
@@ -313,11 +313,11 @@ def file_object_path_split(urlpath: str) -> tuple[str, str | None]:
 
     separator = "::"
     parts = urlpath.split(separator)
-    object_regex = re.compile(r"(.+\.root):(.*$)", re.IGNORECASE)
+    object_regex = re.compile(r"(.+\.root(\.[0-9]+)?):(.*$)", re.IGNORECASE)
     for i, part in enumerate(reversed(parts)):
         match = object_regex.match(part)
         if match:
-            obj = re.sub(r"/+", "/", match.group(2).strip().lstrip("/")).rstrip("/")
+            obj = re.sub(r"/+", "/", match.group(3).strip().lstrip("/")).rstrip("/")
             parts[-i - 1] = match.group(1)
             break
 
diff --git a/tests/test_0976_path_object_split.py b/tests/test_0976_path_object_split.py
index a5617fa18..28830478d 100644
--- a/tests/test_0976_path_object_split.py
+++ b/tests/test_0976_path_object_split.py
@@ -163,6 +163,13 @@
                 "Dir/Test",
             ),
         ),
+        (
+            "http://xcacheserver:8762//https://originserver:4212/path/file.root.1:CollectionTree",
+            (
+                "http://xcacheserver:8762//https://originserver:4212/path/file.root.1",
+                "CollectionTree",
+            ),
+        ),
     ],
 )
 def test_url_split(input_value, expected_output):
@@ -202,7 +209,6 @@ def test_url_no_split(input_value):
         "local/file.root.zip://Events",
         "local/file.roo://Events",
         "local/file://Events",
-        "http://xcacheserver:8762//https://originserver:4212/path/file.root.1:CollectionTree",
     ],
 )
 def test_url_split_invalid(input_value):