diff --git a/mercurial/patch.py b/mercurial/patch.py
--- a/mercurial/patch.py
+++ b/mercurial/patch.py
@@ -393,7 +393,7 @@
     gp = None
     gitpatches = []
     for line in lr:
-        line = line.rstrip(b' \r\n')
+        line = line.rstrip(b'\r\n')
         if line.startswith(b'diff --git a/'):
             m = gitre.match(line)
             if m:
@@ -2073,7 +2073,7 @@
                 yield b'file', (afile, bfile, h, gp and gp.copy() or None)
             yield b'hunk', h
         elif x.startswith(b'diff --git a/'):
-            m = gitre.match(x.rstrip(b' \r\n'))
+            m = gitre.match(x.rstrip(b'\r\n'))
             if not m:
                 continue
             if gitpatches is None:
diff --git a/tests/test-shelve.t b/tests/test-shelve.t
--- a/tests/test-shelve.t
+++ b/tests/test-shelve.t
@@ -1512,3 +1512,26 @@
   $ hg unshelve -i --keep
   abort: --keep on --interactive is not yet supported
   [255]
+
+  $ hg update -q --clean .
+
+Test that we can successfully shelve and unshelve a file with a trailing space
+in the filename. Such filenames are supposedly unsupported on Windows, so we
+wrap it in the no-windows check. Also test `hg patch` of the .patch file
+produced by `hg shelve`.
+#if no-windows
+  $ echo hi > 'my filename '
+  $ hg add 'my filename '
+  warning: filename ends with ' ', which is not allowed on Windows: 'my filename '
+  $ hg shelve
+  shelved as default-01
+  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
+  $ cp .hg/shelved/default-01.patch test_patch.patch
+  $ hg unshelve
+  unshelving change 'default-01'
+  $ cat 'my filename '
+  hi
+  $ hg update -q --clean .
+  $ hg patch -p1 test_patch.patch
+  applying test_patch.patch
+#endif