diff --git a/u8/program.py b/u8/program.py
index 0f8f7ea..e8f7915 100644
--- a/u8/program.py
+++ b/u8/program.py
@@ -38,9 +38,8 @@ def load():
 
 tree = load()
 
-if pos < len(rows):
-    if rows[pos] != "":
-        bad_database()
+if pos >= len(rows) or rows[pos] != "":
+    bad_database()
 
 answers = rows[pos + 1:]