diff --git a/maintainers/flake-module.nix b/maintainers/flake-module.nix
index baa240a04..5f2a837f9 100644
--- a/maintainers/flake-module.nix
+++ b/maintainers/flake-module.nix
@@ -106,7 +106,6 @@
             enable = true;
             excludes = [
               # We haven't linted these files yet
-              ''^tests/functional/logging\.sh$''
               ''^tests/functional/misc\.sh$''
               ''^tests/functional/multiple-outputs\.sh$''
               ''^tests/functional/nested-sandboxing\.sh$''
diff --git a/tests/functional/logging.sh b/tests/functional/logging.sh
index 83df9a45d..600fce43e 100755
--- a/tests/functional/logging.sh
+++ b/tests/functional/logging.sh
@@ -9,14 +9,14 @@ clearStore
 path=$(nix-build dependencies.nix --no-out-link)
 
 # Test nix-store -l.
-[ "$(nix-store -l $path)" = FOO ]
+[ "$(nix-store -l "$path")" = FOO ]
 
 # Test compressed logs.
 clearStore
-rm -rf $NIX_LOG_DIR
-(! nix-store -l $path)
+rm -rf "$NIX_LOG_DIR"
+(! nix-store -l "$path")
 nix-build dependencies.nix --no-out-link --compress-build-log
-[ "$(nix-store -l $path)" = FOO ]
+[ "$(nix-store -l "$path")" = FOO ]
 
 # test whether empty logs work fine with `nix log`.
 builder="$(realpath "$(mktemp)")"
@@ -40,5 +40,5 @@ if [[ "$NIX_REMOTE" != "daemon" ]]; then
     nix build -vv --file dependencies.nix --no-link --json-log-path "$TEST_ROOT/log.json" 2>&1 | grepQuiet 'building.*dependencies-top.drv'
     jq < "$TEST_ROOT/log.json"
     grep '{"action":"start","fields":\[".*-dependencies-top.drv","",1,1\],"id":.*,"level":3,"parent":0' "$TEST_ROOT/log.json" >&2
-    (( $(grep '{"action":"msg","level":5,"msg":"executing builder .*"}' "$TEST_ROOT/log.json" | wc -l) == 5 ))
+    (( $(grep -c '{"action":"msg","level":5,"msg":"executing builder .*"}' "$TEST_ROOT/log.json" ) == 5 ))
 fi