diff --git a/CadQuery/Libs/pyqode/core/managers/backend.py b/CadQuery/Libs/pyqode/core/managers/backend.py
index a82efec..cabbdf4 100644
--- a/CadQuery/Libs/pyqode/core/managers/backend.py
+++ b/CadQuery/Libs/pyqode/core/managers/backend.py
@@ -56,6 +56,9 @@ class BackendManager(Manager):
         The script can be run with a custom interpreter. The default is to use
         sys.executable.
 
+        .. note:: This restart the backend process if it was previously
+                  running.
+
         :param script: Path to the backend script.
         :param interpreter: The python interpreter to use to run the backend
             script. If None, sys.executable is used unless we are in a frozen
@@ -64,8 +67,7 @@ class BackendManager(Manager):
             the backend process.
         """
         if self.running:
-            # already started
-            return
+            self.stop()
         self.server_script = script
         self.interpreter = interpreter
         self.args = args
diff --git a/CadQuery/Libs/pyqode/core/modes/filewatcher.py b/CadQuery/Libs/pyqode/core/modes/filewatcher.py
index 207c445..37eabad 100644
--- a/CadQuery/Libs/pyqode/core/modes/filewatcher.py
+++ b/CadQuery/Libs/pyqode/core/modes/filewatcher.py
@@ -18,6 +18,9 @@ class FileWatcherMode(Mode, QtCore.QObject):
     #: the editor.
     file_deleted = QtCore.Signal(object)
 
+    #: Signal emitted when the file has been reloaded in the editor.
+    file_reloaded = QtCore.Signal()
+
     @property
     def auto_reload(self):
         """
@@ -145,6 +148,7 @@ class FileWatcherMode(Mode, QtCore.QObject):
         def inner_action(*args):
             """ Inner action: open file """
             self.editor.file.open(self.editor.file.path)
+            self.file_reloaded.emit()
 
         args = ("File changed",
                 "The file <i>%s</i> has changed externally.\nDo you want to "