diff --git a/tests/functional/flakes/unlocked-override.sh b/tests/functional/flakes/unlocked-override.sh
index bd73929dc..ed4d131b7 100755
--- a/tests/functional/flakes/unlocked-override.sh
+++ b/tests/functional/flakes/unlocked-override.sh
@@ -33,7 +33,7 @@ echo 456 > "$flake1Dir"/x.nix
 
 # Dirty overrides require --allow-dirty-locks.
 expectStderr 1 nix flake lock "$flake2Dir" --override-input flake1 "$TEST_ROOT/flake1" |
-  grepQuiet "Will not write lock file.*because it has an unlocked input"
+  grepQuiet "Not writing lock file.*because it has an unlocked input"
 
 nix flake lock "$flake2Dir" --override-input flake1 "$TEST_ROOT/flake1" --allow-dirty-locks
 _NIX_TEST_FAIL_ON_LARGE_PATH=1 nix flake lock "$flake2Dir" --override-input flake1 "$TEST_ROOT/flake1" --allow-dirty-locks --warn-large-path-threshold 1 --lazy-trees