diff --git a/testing/join.test b/testing/join.test
index 853ccc875..44434e971 100755
--- a/testing/join.test
+++ b/testing/join.test
@@ -310,4 +310,12 @@ do_execsql_test_on_specific_db {:memory:} min-null-regression-test {
     insert into t values (1,1),(2,2);
     insert into u values (1,1),(3,3);
     select count(u.x) from t left join u using(y);
-} {1}
\ No newline at end of file
+} {1}
+
+# regression test for issue 2949: consuming WHERE terms not originating from the LEFT JOIN
+do_execsql_test_on_specific_db {:memory:} left-join-seek-key-regression-test {
+  CREATE TABLE t (x INTEGER PRIMARY KEY);
+  CREATE TABLE u (x INTEGER PRIMARY KEY);
+  INSERT INTO t VALUES (1);
+  SELECT * FROM t LEFT JOIN u ON false WHERE u.x = 1; 
+} {}
\ No newline at end of file