diff --git a/packages/core/src/store/index.ts b/packages/core/src/store/index.ts
index 056957c3..c85225db 100644
--- a/packages/core/src/store/index.ts
+++ b/packages/core/src/store/index.ts
@@ -33,8 +33,8 @@ const createRFStore = () =>
       return Array.from(get().nodeInternals.values());
     },
     setEdges: (edges: Edge[]) => {
-      const { defaultEdgeOptions = null } = get();
-      set({ edges: defaultEdgeOptions ? edges.map((e) => ({ ...defaultEdgeOptions, ...e })) : edges });
+      const { defaultEdgeOptions = {} } = get();
+      set({ edges: edges.map((e) => ({ ...defaultEdgeOptions, ...e })) });
     },
     setDefaultNodesAndEdges: (nodes?: Node[], edges?: Edge[]) => {
       const hasDefaultNodes = typeof nodes !== 'undefined';