diff --git a/Tests/test_imagecms.py b/Tests/test_imagecms.py
index e9149b843..72f732d78 100644
--- a/Tests/test_imagecms.py
+++ b/Tests/test_imagecms.py
@@ -1,6 +1,7 @@
 import datetime
 import os
 import re
+import shutil
 from io import BytesIO
 
 import pytest
@@ -436,6 +437,19 @@ def test_extended_information():
     assert p.xcolor_space == "RGB "
 
 
+def test_non_ascii_path(tmp_path):
+    skip_missing()
+    tempfile = str(tmp_path / ("temp_" + chr(128) + ".icc"))
+    try:
+        shutil.copy(SRGB, tempfile)
+    except UnicodeEncodeError:
+        pytest.skip("Non-ASCII path could not be created")
+
+    o = ImageCms.getOpenProfile(tempfile)
+    p = o.profile
+    assert p.model == "IEC 61966-2-1 Default RGB Colour Space - sRGB"
+
+
 def test_profile_typesafety():
     """Profile init type safety
 
diff --git a/Tests/test_imagefont.py b/Tests/test_imagefont.py
index aa7ec6fa6..62b6230ae 100644
--- a/Tests/test_imagefont.py
+++ b/Tests/test_imagefont.py
@@ -111,12 +111,12 @@ class TestImageFont:
         with open(FONT_PATH, "rb") as f:
             self._render(f)
 
-    def test_non_unicode_path(self, tmp_path):
+    def test_non_ascii_path(self, tmp_path):
         tempfile = str(tmp_path / ("temp_" + chr(128) + ".ttf"))
         try:
             shutil.copy(FONT_PATH, tempfile)
         except UnicodeEncodeError:
-            pytest.skip("Unicode path could not be created")
+            pytest.skip("Non-ASCII path could not be created")
 
         ImageFont.truetype(tempfile, FONT_SIZE)
 
diff --git a/src/PIL/ImageCms.py b/src/PIL/ImageCms.py
index 3856cb843..8c4740ddc 100644
--- a/src/PIL/ImageCms.py
+++ b/src/PIL/ImageCms.py
@@ -159,6 +159,14 @@ class ImageCmsProfile:
         """
 
         if isinstance(profile, str):
+            if sys.platform == "win32":
+                profile_bytes_path = profile.encode()
+                try:
+                    profile_bytes_path.decode("ascii")
+                except UnicodeDecodeError:
+                    with open(profile, "rb") as f:
+                        self._set(core.profile_frombytes(f.read()))
+                    return
             self._set(core.profile_open(profile), profile)
         elif hasattr(profile, "read"):
             self._set(core.profile_frombytes(profile.read()))