1 files changed, 1 insertions, 1 deletions
diff --git a/src/client/model/graph.js b/src/client/model/graph.js
index c3e5209b..64327f6a 100644
--- a/src/client/model/graph.js
+++ b/src/client/model/graph.js
@@ -593,7 +593,7 @@ function Graph() {
 
     this._editProperty = function(id, state, prop, value) {
         var n = find_node__by_id(id);
-        if (state != n.state){
+        if (state !== null && state != n.state){
             return false;
         }