diff --git a/fail2ban/client/fail2banclient.py b/fail2ban/client/fail2banclient.py
index 331c5f34..007afd57 100755
--- a/fail2ban/client/fail2banclient.py
+++ b/fail2ban/client/fail2banclient.py
@@ -310,7 +310,7 @@ class Fail2banClient(Fail2banCmdLine, Thread):
 					# stop options - jail name or --all
 					break
 			if self.__ping(timeout=-1):
-				if len(cmd) == 1:
+				if len(cmd) == 1 or cmd[1] == '--all':
 					jail = '--all'
 					ret, stream = self.readConfig()
 				else:
diff --git a/fail2ban/server/server.py b/fail2ban/server/server.py
index 8c001ea3..efd47b09 100644
--- a/fail2ban/server/server.py
+++ b/fail2ban/server/server.py
@@ -81,12 +81,12 @@ class Server:
 		}
 		self.__prev_signals = {}
 
-	def __sigTERMhandler(self, signum, frame):
-		logSys.debug("Caught signal %d. Exiting" % signum)
+	def __sigTERMhandler(self, signum, frame): # pragma: no cover - indirect tested
+		logSys.debug("Caught signal %d. Exiting", signum)
 		self.quit()
 	
-	def __sigUSR1handler(self, signum, fname):
-		logSys.debug("Caught signal %d. Flushing logs" % signum)
+	def __sigUSR1handler(self, signum, fname): # pragma: no cover - indirect tested
+		logSys.debug("Caught signal %d. Flushing logs", signum)
 		self.flushLogs()
 
 	def _rebindSignal(self, s, new):
@@ -137,12 +137,12 @@ class Server:
 
 		# Creates a PID file.
 		try:
-			logSys.debug("Creating PID file %s" % pidfile)
+			logSys.debug("Creating PID file %s", pidfile)
 			pidFile = open(pidfile, 'w')
 			pidFile.write("%s\n" % os.getpid())
 			pidFile.close()
-		except IOError as e:
-			logSys.error("Unable to create PID file: %s" % e)
+		except (OSError, IOError) as e: # pragma: no cover
+			logSys.error("Unable to create PID file: %s", e)
 		
 		# Start the communication
 		logSys.debug("Starting communication")
@@ -154,10 +154,10 @@ class Server:
 			logSys.error("Could not start server: %s", e)
 		# Removes the PID file.
 		try:
-			logSys.debug("Remove PID file %s" % pidfile)
+			logSys.debug("Remove PID file %s", pidfile)
 			os.remove(pidfile)
-		except OSError as e:
-			logSys.error("Unable to remove PID file: %s" % e)
+		except (OSError, IOError) as e: # pragma: no cover
+			logSys.error("Unable to remove PID file: %s", e)
 		logSys.info("Exiting Fail2ban")
 	
 	def quit(self):
@@ -250,7 +250,7 @@ class Server:
 	def reloadJails(self, name, opts, begin):
 		if begin:
 			# begin reload:
-			if self.__reload_state and (name == '--all' or self.__reload_state.get(name)):
+			if self.__reload_state and (name == '--all' or self.__reload_state.get(name)): # pragma: no cover
 				raise ValueError('Reload already in progress')
 			logSys.info("Reload " + (("jail %s" % name) if name != '--all' else "all jails"))
 			with self.__lock:
@@ -381,11 +381,8 @@ class Server:
 
 	def addFailRegex(self, name, value, multiple=False):
 		flt = self.__jails[name].filter
-		if multiple:
-			for value in value:
-				logSys.debug("  failregex: %r", value)
-				flt.addFailRegex(value)
-		else:
+		if not multiple: value = (value,)
+		for value in value:
 			logSys.debug("  failregex: %r", value)
 			flt.addFailRegex(value)
 	
@@ -397,11 +394,8 @@ class Server:
 	
 	def addIgnoreRegex(self, name, value, multiple=False):
 		flt = self.__jails[name].filter
-		if multiple:
-			for value in value:
-				logSys.debug("  ignoreregex: %r", value)
-				flt.addIgnoreRegex(value)
-		else:
+		if not multiple: value = (value,)
+		for value in value:
 			logSys.debug("  ignoreregex: %r", value)
 			flt.addIgnoreRegex(value)
 	
@@ -671,7 +665,7 @@ class Server:
 			if Fail2BanDb is not None:
 				self.__db = Fail2BanDb(filename)
 				self.__db.delAllJails()
-			else:
+			else: # pragma: no cover
 				logSys.error(
 					"Unable to import fail2ban database module as sqlite "
 					"is not available.")
diff --git a/fail2ban/tests/fail2banclienttestcase.py b/fail2ban/tests/fail2banclienttestcase.py
index 66ff61b3..e212ff23 100644
--- a/fail2ban/tests/fail2banclienttestcase.py
+++ b/fail2ban/tests/fail2banclienttestcase.py
@@ -1026,4 +1026,11 @@ class Fail2banServerTest(Fail2banClientServerBase):
 		self.assertNotLogged(
 			"Creating new jail 'test-jail2'",
 			"Jail 'test-jail2' started", all=True)
-		self.pruneLog()
+
+		# restart all jails (without restart server):
+		self.pruneLog("[test-phase end-2]")
+		self.execSuccess(startparams,
+			"--async", "reload", "--restart", "--all")
+		self.assertLogged(
+			"Jail 'test-jail1' stopped", 
+			"Jail 'test-jail1' started", all=True)