diff --git a/Lib/runpy.py b/Lib/runpy.py
index 8adc91e..0f54f3e 100644
--- a/Lib/runpy.py
+++ b/Lib/runpy.py
@@ -15,6 +15,7 @@
 import importlib.util
 import io
 import types
+import os
 from pkgutil import read_code, get_importer
 
 __all__ = [
@@ -229,11 +230,12 @@
 
 def _get_code_from_file(run_name, fname):
     # Check for a compiled file first
-    with io.open_code(fname) as f:
+    decoded_path = os.path.abspath(os.fsdecode(fname))
+    with io.open_code(decoded_path) as f:
         code = read_code(f)
     if code is None:
         # That didn't work, so try it as normal source code
-        with io.open_code(fname) as f:
+        with io.open_code(decoded_path) as f:
             code = compile(f.read(), fname, 'exec')
     return code, fname