diff --git a/scrapy/utils/url.py b/scrapy/utils/url.py
index 1e431d3bf..b23ddb459 100644
--- a/scrapy/utils/url.py
+++ b/scrapy/utils/url.py
@@ -121,14 +121,14 @@ def _is_windows_path(string):
     )
 
 
-def _is_path(string):
+def _is_filesystem_path(string):
     return _is_posix_path(string) or _is_windows_path(string)
 
 
 def guess_scheme(url):
     """Add an URL scheme if missing: file:// for filepath-like input or
     http:// otherwise."""
-    if _is_path(url):
+    if _is_filesystem_path(url):
         return any_to_uri(url)
     return add_http_if_no_scheme(url)
 
diff --git a/tests/test_utils_url.py b/tests/test_utils_url.py
index 6a5254d54..3a143ba2f 100644
--- a/tests/test_utils_url.py
+++ b/tests/test_utils_url.py
@@ -4,7 +4,7 @@ from scrapy.spiders import Spider
 from scrapy.utils.url import (
     add_http_if_no_scheme,
     guess_scheme,
-    _is_path,
+    _is_filesystem_path,
     strip_url,
     url_is_from_any_domain,
     url_is_from_spider,
@@ -460,7 +460,7 @@ class IsPathTestCase(unittest.TestCase):
 
             (r"https://example.com", False),
         ):
-            self.assertEqual(_is_path(input_value), output_value, input_value)
+            self.assertEqual(_is_filesystem_path(input_value), output_value, input_value)
 
 
 if __name__ == "__main__":