diff --git a/testsuite/tests/patsyn/should_fail/unidir.stderr b/testsuite/tests/patsyn/should_fail/unidir.stderr
index ea019bc8e1e6070abbdbf34fa0002cbd17ac41a1..b1161154be6a9e2e5e1b27c7fdb640deef3e4383 100644
--- a/testsuite/tests/patsyn/should_fail/unidir.stderr
+++ b/testsuite/tests/patsyn/should_fail/unidir.stderr
@@ -1,4 +1,4 @@
 
-unidir.hs:1:1:
+unidir.hs:4:18:
     Right-hand side of bidirectional pattern synonym cannot be used as an expression
       x : _