diff --git a/src/components/Nodes/DefaultNode.tsx b/src/components/Nodes/DefaultNode.tsx
index 7d9dc5d5..353bd7ca 100644
--- a/src/components/Nodes/DefaultNode.tsx
+++ b/src/components/Nodes/DefaultNode.tsx
@@ -12,7 +12,7 @@ const DefaultNode = ({
   return (
     <>
       <Handle type="target" position={targetPosition} isConnectable={isConnectable} />
-      {data.label}
+      {data?.label}
       <Handle type="source" position={sourcePosition} isConnectable={isConnectable} />
     </>
   );
diff --git a/src/components/Nodes/InputNode.tsx b/src/components/Nodes/InputNode.tsx
index 73ac0cdf..e2546762 100644
--- a/src/components/Nodes/InputNode.tsx
+++ b/src/components/Nodes/InputNode.tsx
@@ -5,7 +5,7 @@ import { NodeProps, Position } from '../../types';
 
 const InputNode = ({ data, isConnectable, sourcePosition = Position.Bottom }: NodeProps) => (
   <>
-    {data.label}
+    {data?.label}
     <Handle type="source" position={sourcePosition} isConnectable={isConnectable} />
   </>
 );
diff --git a/src/components/Nodes/OutputNode.tsx b/src/components/Nodes/OutputNode.tsx
index b6358414..1bc913b7 100644
--- a/src/components/Nodes/OutputNode.tsx
+++ b/src/components/Nodes/OutputNode.tsx
@@ -6,7 +6,7 @@ import { NodeProps, Position } from '../../types';
 const OutputNode = ({ data, isConnectable, targetPosition = Position.Top }: NodeProps) => (
   <>
     <Handle type="target" position={targetPosition} isConnectable={isConnectable} />
-    {data.label}
+    {data?.label}
   </>
 );