diff --git a/maintainers/flake-module.nix b/maintainers/flake-module.nix
index 8db3a2933..a975aedb8 100644
--- a/maintainers/flake-module.nix
+++ b/maintainers/flake-module.nix
@@ -112,7 +112,6 @@
               ''^tests/functional/dependencies\.builder0\.sh$''
               ''^tests/functional/dump-db\.sh$''
               ''^tests/functional/dyn-drv/build-built-drv\.sh$''
-              ''^tests/functional/dyn-drv/dep-built-drv\.sh$''
               ''^tests/functional/dyn-drv/eval-outputOf\.sh$''
               ''^tests/functional/dyn-drv/old-daemon-error-hack\.sh$''
               ''^tests/functional/dyn-drv/recursive-mod-json\.sh$''
diff --git a/tests/functional/dyn-drv/dep-built-drv.sh b/tests/functional/dyn-drv/dep-built-drv.sh
index e9a8b6b83..f5be23645 100644
--- a/tests/functional/dyn-drv/dep-built-drv.sh
+++ b/tests/functional/dyn-drv/dep-built-drv.sh
@@ -11,4 +11,4 @@ clearStore
 
 out2=$(nix-build ./text-hashed-output.nix -A wrapper --no-out-link)
 
-diff -r $out1 $out2
+diff -r "$out1" "$out2"