diff --git a/packages/core/src/types/edges.ts b/packages/core/src/types/edges.ts
index 7eb12816..92e10637 100644
--- a/packages/core/src/types/edges.ts
+++ b/packages/core/src/types/edges.ts
@@ -117,8 +117,8 @@ export type EdgeProps<T = any> = Pick<
 
 export type BaseEdgeProps = Pick<EdgeProps, 'style' | 'markerStart' | 'markerEnd' | 'interactionWidth'> &
   EdgeLabelOptions & {
-    labelX: number;
-    labelY: number;
+    labelX?: number;
+    labelY?: number;
     path: string;
   };