diff --git a/Lib/subprocess.py b/Lib/subprocess.py
index 38b655f2f7b9d2..6fe2ec98fb4088 100644
--- a/Lib/subprocess.py
+++ b/Lib/subprocess.py
@@ -145,13 +145,13 @@ def __init__(self, returncode, cmd, output=None, stderr=None):
     def __str__(self):
         if self.returncode and self.returncode < 0:
             try:
-                return "Command '%s' died with %r." % (
+                return "Command %r died with %r." % (
                         self.cmd, signal.Signals(-self.returncode))
             except ValueError:
-                return "Command '%s' died with unknown signal %d." % (
+                return "Command %r died with unknown signal %d." % (
                         self.cmd, -self.returncode)
         else:
-            return "Command '%s' returned non-zero exit status %d." % (
+            return "Command %r returned non-zero exit status %d." % (
                     self.cmd, self.returncode)
 
     @property
diff --git a/Misc/NEWS.d/next/Library/2026-06-15-07-42-12.gh-issue-151485.NiYQPZ.rst b/Misc/NEWS.d/next/Library/2026-06-15-07-42-12.gh-issue-151485.NiYQPZ.rst
new file mode 100644
index 00000000000000..134499107ab2b7
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2026-06-15-07-42-12.gh-issue-151485.NiYQPZ.rst
@@ -0,0 +1 @@
+Fix command quoting in :exc:`subprocess.CalledProcessError`. Contributed by Benjy Wiener.