diff --git a/meshroom/core/graph.py b/meshroom/core/graph.py
index 05c511cf..8197602d 100644
--- a/meshroom/core/graph.py
+++ b/meshroom/core/graph.py
@@ -252,8 +252,8 @@ class Graph(BaseObject):
         Args:
             filepath: The path to the Meshroom Graph file to load.
         """
-        self._deserialize(Graph._loadGraphData(filepath))
         self._setFilepath(filepath)
+        self._deserialize(Graph._loadGraphData(filepath))
         self._fileDateVersion = os.path.getmtime(filepath)
 
     def initFromTemplate(self, filepath: PathLike, publishOutputs: bool = False):
@@ -293,7 +293,9 @@ class Graph(BaseObject):
         Args:
             graphData: The serialized Graph.
         """
-        self.clear()
+        self._clearGraphContent()
+        self.header.clear()
+
         self.header = graphData.get(GraphIO.Keys.Header, {})
         fileVersion = Version(self.header.get(GraphIO.Keys.FileVersion, "0.0"))
         graphContent = self._normalizeGraphContent(graphData, fileVersion)
diff --git a/meshroom/core/node.py b/meshroom/core/node.py
index d8722de5..dc8fcd22 100644
--- a/meshroom/core/node.py
+++ b/meshroom/core/node.py
@@ -952,7 +952,7 @@ class BaseNode(BaseObject):
     def nbParallelizationBlocks(self):
         return len(self._chunks)
 
-    def hasStatus(self, status):
+    def hasStatus(self, status: Status):
         if not self._chunks:
             return (status == Status.INPUT)
         for chunk in self._chunks: