diff --git a/sql/path3f.sql b/sql/path3f.sql
index 20b75dde466502a930f28730ba5654cb8f4ca37c..1285f8db294b19262fb17e9e6700c316dc21df59 100644
--- a/sql/path3f.sql
+++ b/sql/path3f.sql
@@ -1,4 +1,4 @@
 WITH
 path3(a,b) AS (
-  SELECT DISTINCT p1.a, p3.b from par p1 JOIN par p2 ON p1.b = p2.a JOIN par p2 ON p2.b = p3.a
+  SELECT DISTINCT p1.a, p3.b from par p1 JOIN par p2 ON p1.b = p2.a JOIN par p3 ON p2.b = p3.a
 )	SELECT Count(*) FROM path3;