diff --git a/tests/functional/chroot-store.sh b/tests/functional/chroot-store.sh
index 60b9c50a7..741907fca 100755
--- a/tests/functional/chroot-store.sh
+++ b/tests/functional/chroot-store.sh
@@ -2,34 +2,34 @@
 
 source common.sh
 
-echo example > $TEST_ROOT/example.txt
-mkdir -p $TEST_ROOT/x
+echo example > "$TEST_ROOT"/example.txt
+mkdir -p "$TEST_ROOT/x"
 
 export NIX_STORE_DIR=/nix2/store
 
-CORRECT_PATH=$(cd $TEST_ROOT && nix-store --store ./x --add example.txt)
+CORRECT_PATH=$(cd "$TEST_ROOT" && nix-store --store ./x --add example.txt)
 
 [[ $CORRECT_PATH =~ ^/nix2/store/.*-example.txt$ ]]
 
-PATH1=$(cd $TEST_ROOT && nix path-info --store ./x $CORRECT_PATH)
-[ $CORRECT_PATH == $PATH1 ]
+PATH1=$(cd "$TEST_ROOT" && nix path-info --store ./x "$CORRECT_PATH")
+[ "$CORRECT_PATH" == "$PATH1" ]
 
-PATH2=$(nix path-info --store "$TEST_ROOT/x" $CORRECT_PATH)
-[ $CORRECT_PATH == $PATH2 ]
+PATH2=$(nix path-info --store "$TEST_ROOT/x" "$CORRECT_PATH")
+[ "$CORRECT_PATH" == "$PATH2" ]
 
-PATH3=$(nix path-info --store "local?root=$TEST_ROOT/x" $CORRECT_PATH)
-[ $CORRECT_PATH == $PATH3 ]
+PATH3=$(nix path-info --store "local?root=$TEST_ROOT/x" "$CORRECT_PATH")
+[ "$CORRECT_PATH" == "$PATH3" ]
 
 # Ensure store info trusted works with local store
-nix --store $TEST_ROOT/x store info --json | jq -e '.trusted'
+nix --store "$TEST_ROOT/x" store info --json | jq -e '.trusted'
 
 # Test building in a chroot store.
 if canUseSandbox; then
 
     flakeDir=$TEST_ROOT/flake
-    mkdir -p $flakeDir
+    mkdir -p "$flakeDir"
 
-    cat > $flakeDir/flake.nix <<EOF
+    cat > "$flakeDir"/flake.nix <<EOF
 {
   outputs = inputs: rec {
     packages.$system.default = import ./simple.nix;
@@ -37,11 +37,12 @@ if canUseSandbox; then
 }
 EOF
 
-    cp simple.nix shell.nix simple.builder.sh config.nix $flakeDir/
+    cp simple.nix shell.nix simple.builder.sh config.nix "$flakeDir/"
 
-    outPath=$(nix build --print-out-paths --no-link --sandbox-paths '/nix? /bin? /lib? /lib64? /usr?' --store $TEST_ROOT/x path:$flakeDir)
+    outPath=$(nix build --print-out-paths --no-link --sandbox-paths '/nix? /bin? /lib? /lib64? /usr?' --store "$TEST_ROOT/x" path:"$flakeDir")
 
     [[ $outPath =~ ^/nix2/store/.*-simple$ ]]
 
-    [[ $(cat $TEST_ROOT/x/nix/store/$(basename $outPath)/hello) = 'Hello World!' ]]
+    base=$(basename "$outPath")
+    [[ $(cat "$TEST_ROOT"/x/nix/store/"$base"/hello) = 'Hello World!' ]]
 fi