diff --git a/entWatch4/scripting/entWatch-core.sp b/entWatch4/scripting/entWatch-core.sp
index b4602ec..8068f73 100644
--- a/entWatch4/scripting/entWatch-core.sp
+++ b/entWatch4/scripting/entWatch-core.sp
@@ -749,7 +749,7 @@ public int Native_GetItemData(Handle hPlugin, int numParams)
 {
 	int index = GetNativeCell(1);
 
-	if ((index < 0) || (index > g_hArray_Items.Length))
+	if ((index < 0) || (index >= g_hArray_Items.Length))
 	{
 		return ThrowNativeError(SP_ERROR_INDEX, "Item index %d is invalid.", index);
 	}