diff --git a/source/blender/editors/util/ed_viewer_path.cc b/source/blender/editors/util/ed_viewer_path.cc
index 6f67d92681b..8586af8c29c 100644
--- a/source/blender/editors/util/ed_viewer_path.cc
+++ b/source/blender/editors/util/ed_viewer_path.cc
@@ -24,6 +24,9 @@ static void viewer_path_for_geometry_node(const SpaceNode &snode,
                                           const bNode &node,
                                           ViewerPath &r_dst)
 {
+  /* Only valid if the node space has a context object. */
+  BLI_assert(snode.id != nullptr && GS(snode.id->name) == ID_OB);
+
   BKE_viewer_path_init(&r_dst);
 
   Object *ob = reinterpret_cast<Object *>(snode.id);
@@ -87,7 +90,9 @@ void activate_geometry_node(Main &bmain, SpaceNode &snode, bNode &node)
   }
   ViewerPath new_viewer_path{};
   BLI_SCOPED_DEFER([&]() { BKE_viewer_path_clear(&new_viewer_path); });
-  viewer_path_for_geometry_node(snode, node, new_viewer_path);
+  if (snode.id != nullptr && GS(snode.id->name) == ID_OB) {
+    viewer_path_for_geometry_node(snode, node, new_viewer_path);
+  }
 
   bool found_view3d_with_enabled_viewer = false;
   View3D *any_view3d_without_viewer = nullptr;
@@ -341,6 +346,11 @@ bool is_active_geometry_nodes_viewer(const bContext &C,
 
 bNode *find_geometry_nodes_viewer(const ViewerPath &viewer_path, SpaceNode &snode)
 {
+  /* Viewer path is only valid if the context object is set. */
+  if (snode.id == nullptr || GS(snode.id->name) != ID_OB) {
+    return nullptr;
+  }
+
   const std::optional<ViewerPathForGeometryNodesViewer> parsed_viewer_path =
       parse_geometry_nodes_viewer(viewer_path);
   if (!parsed_viewer_path.has_value()) {