diff --git a/Scripts/NodeDataCache.cs b/Scripts/NodeDataCache.cs
index d37f31f..262ef04 100644
--- a/Scripts/NodeDataCache.cs
+++ b/Scripts/NodeDataCache.cs
@@ -63,7 +63,7 @@ namespace XNode {
 
                 if (inputAttrib == null && outputAttrib == null) continue;
 
-                if (inputAttrib != null && outputAttrib != null) Debug.LogError("Field " + fieldInfo + " cannot be both input and output.");
+                if (inputAttrib != null && outputAttrib != null) Debug.LogError("Field " + fieldInfo[i].Name + " cannot be both input and output.");
                 else {
                     if (!portDataCache.ContainsKey(nodeType)) portDataCache.Add(nodeType, new List<NodePort>());
                     portDataCache[nodeType].Add(new NodePort(fieldInfo[i]));
@@ -98,4 +98,4 @@ namespace XNode {
             }
         }
     }
-}
\ No newline at end of file
+}