diff --git a/VisualPascalABCNET/IB/CodeCompletion/InsightProvider.cs b/VisualPascalABCNET/IB/CodeCompletion/InsightProvider.cs
index 912fff79b..c2ee3e824 100644
--- a/VisualPascalABCNET/IB/CodeCompletion/InsightProvider.cs
+++ b/VisualPascalABCNET/IB/CodeCompletion/InsightProvider.cs
@@ -174,7 +174,7 @@ namespace VisualPascalABC
         {
             get
             {
-                return defaultIndex;
+                return Math.Min(defaultIndex, InsightDataCount-1);
             }
         }
     }