diff --git a/bin/meshroom_photogrammetry b/bin/meshroom_photogrammetry
index c03e2018..0fdb7974 100755
--- a/bin/meshroom_photogrammetry
+++ b/bin/meshroom_photogrammetry
@@ -38,7 +38,7 @@ parser.add_argument('--cache', metavar='FOLDER', type=str,
                          'If not set, the default cache folder will be used: ' + meshroom.core.defaultCacheFolder)
 
 parser.add_argument('--save', metavar='FILE', type=str, required=False,
-                    help='Save the configured Meshroom project to a file.')
+                    help='Save the configured Meshroom graph to a project file. It will setup the cache folder accordingly if not explicitly changed by --cache.')
 
 parser.add_argument('--compute', metavar='<yes/no>', type=lambda x: bool(distutils.util.strtobool(x)), default=True, required=False,
                     help='You can set it to <no/false/0> to disable the computation.')
@@ -130,13 +130,13 @@ if args.scale > 0:
     for node in graph.nodesByType('DepthMap'):
         node.downscale.value = args.scale
 
-if args.save:
-    graph.save(args.save)
-    print('File successfully saved:', args.save)
-
 # setup cache directory
 graph.cacheDir = args.cache if args.cache else meshroom.core.defaultCacheFolder
 
+if args.save:
+    graph.save(args.save, fileLink=not bool(args.cache))
+    print('File successfully saved: "{}"'.format(args.save))
+
 if not args.output:
     print('No output set, results will be available in the cache folder: "{}"'.format(graph.cacheDir))
 
diff --git a/meshroom/core/graph.py b/meshroom/core/graph.py
index 2b7fe3e4..6ac38e4c 100644
--- a/meshroom/core/graph.py
+++ b/meshroom/core/graph.py
@@ -905,7 +905,7 @@ class Graph(BaseObject):
     def asString(self):
         return str(self.toDict())
 
-    def save(self, filepath=None):
+    def save(self, filepath=None, fileLink=True):
         path = filepath or self._filepath
         if not path:
             raise ValueError("filepath must be specified for unsaved files.")
@@ -929,7 +929,7 @@ class Graph(BaseObject):
         with open(path, 'w') as jsonFile:
             json.dump(data, jsonFile, indent=4)
 
-        if path != self._filepath:
+        if path != self._filepath and fileLink:
             self._setFilepath(path)
 
     def _setFilepath(self, filepath):
@@ -939,7 +939,9 @@ class Graph(BaseObject):
         Args:
             filepath: the graph file path
         """
-        assert os.path.isfile(filepath)
+        if not os.path.isfile(filepath):
+            self._unsetFilepath()
+            return
 
         if self._filepath == filepath:
             return
@@ -951,6 +953,12 @@ class Graph(BaseObject):
         self.cacheDir = os.path.join(os.path.abspath(os.path.dirname(filepath)), meshroom.core.cacheFolderName)
         self.filepathChanged.emit()
 
+    def _unsetFilepath(self):
+        self._filepath = ""
+        self.name = ""
+        self.cacheDir = meshroom.core.defaultCacheFolder
+        self.filepathChanged.emit()
+
     def updateInternals(self, startNodes=None, force=False):
         nodes, edges = self.dfsOnFinish(startNodes=startNodes)
         for node in nodes: