diff --git a/changelog.rst b/changelog.rst
index b71bd0e96..0d7f95ffd 100644
--- a/changelog.rst
+++ b/changelog.rst
@@ -29,6 +29,7 @@ API changes
 - Identify synthesized events with ``is_synthetic`` attribute.
 - Refactored tests to use pytest.
 - General code clean-up.
+- Watchmedo: Handle all available signals.
 
 
 `0.9.0 <https://github.com/gorakhargosh/watchdog/compare/v0.8.3...v0.9.0>`_ - 2018-08-28
diff --git a/src/watchdog/watchmedo.py b/src/watchdog/watchmedo.py
index 2aaffa5e8..81028b7ea 100755
--- a/src/watchdog/watchmedo.py
+++ b/src/watchdog/watchmedo.py
@@ -525,13 +525,12 @@ def auto_restart(args):
 
     from watchdog.tricks import AutoRestartTrick
     import signal
-    import re
 
     if not args.directories:
         args.directories = ['.']
 
     # Allow either signal name or number.
-    if re.match('^SIG[A-Z]+$', args.signal):
+    if args.signal.startswith("SIG"):
         stop_signal = getattr(signal, args.signal)
     else:
         stop_signal = int(args.signal)