diff --git a/maintainers/flake-module.nix b/maintainers/flake-module.nix
index 671591ab4..505424633 100644
--- a/maintainers/flake-module.nix
+++ b/maintainers/flake-module.nix
@@ -107,7 +107,6 @@
             excludes = [
               # We haven't linted these files yet
               ''^tests/functional/dump-db\.sh$''
-              ''^tests/functional/dyn-drv/recursive-mod-json\.sh$''
               ''^tests/functional/eval-store\.sh$''
               ''^tests/functional/export-graph\.sh$''
               ''^tests/functional/export\.sh$''
diff --git a/tests/functional/dyn-drv/recursive-mod-json.sh b/tests/functional/dyn-drv/recursive-mod-json.sh
index 0698b81bd..01e8f16e9 100644
--- a/tests/functional/dyn-drv/recursive-mod-json.sh
+++ b/tests/functional/dyn-drv/recursive-mod-json.sh
@@ -1,3 +1,4 @@
+# shellcheck shell=bash
 source common.sh
 
 # FIXME
@@ -10,18 +11,18 @@ restartDaemon
 
 clearStore
 
-rm -f $TEST_ROOT/result
+rm -f "$TEST_ROOT"/result
 
-EXTRA_PATH=$(dirname $(type -p nix)):$(dirname $(type -p jq))
+EXTRA_PATH=$(dirname "$(type -p nix)"):$(dirname "$(type -p jq)")
 export EXTRA_PATH
 
 # Will produce a drv
 metaDrv=$(nix-instantiate ./recursive-mod-json.nix)
 
 # computed "dynamic" derivation
-drv=$(nix-store -r $metaDrv)
+drv=$(nix-store -r "$metaDrv")
 
 # build that dyn drv
-res=$(nix-store -r $drv)
+res=$(nix-store -r "$drv")
 
-grep 'I am alive!' $res/hello
+grep 'I am alive!' "$res"/hello