diff --git a/tests/functional/flakes/unlocked-override.sh b/tests/functional/flakes/unlocked-override.sh
index 680a1505c..a17a0c2af 100755
--- a/tests/functional/flakes/unlocked-override.sh
+++ b/tests/functional/flakes/unlocked-override.sh
@@ -7,26 +7,26 @@ requireGit
 flake1Dir=$TEST_ROOT/flake1
 flake2Dir=$TEST_ROOT/flake2
 
-createGitRepo $flake1Dir
-cat > $flake1Dir/flake.nix <<EOF
+createGitRepo "$flake1Dir"
+cat > "$flake1Dir"/flake.nix <<EOF
 {
     outputs = { self }: { x = import ./x.nix; };
 }
 EOF
-echo 123 > $flake1Dir/x.nix
-git -C $flake1Dir add flake.nix x.nix
-git -C $flake1Dir commit -m Initial
+echo 123 > "$flake1Dir"/x.nix
+git -C "$flake1Dir" add flake.nix x.nix
+git -C "$flake1Dir" commit -m Initial
 
-createGitRepo $flake2Dir
-cat > $flake2Dir/flake.nix <<EOF
+createGitRepo "$flake2Dir"
+cat > "$flake2Dir"/flake.nix <<EOF
 {
     outputs = { self, flake1 }: { x = flake1.x; };
 }
 EOF
-git -C $flake2Dir add flake.nix
+git -C "$flake2Dir" add flake.nix
 
-[[ $(nix eval --json $flake2Dir#x --override-input flake1 $TEST_ROOT/flake1) = 123 ]]
+[[ $(nix eval --json "$flake2Dir#x" --override-input flake1 "$TEST_ROOT/flake1") = 123 ]]
 
-echo 456 > $flake1Dir/x.nix
+echo 456 > "$flake1Dir"/x.nix
 
-[[ $(nix eval --json $flake2Dir#x --override-input flake1 $TEST_ROOT/flake1) = 456 ]]
+[[ $(nix eval --json "$flake2Dir#x" --override-input flake1 "$TEST_ROOT/flake1") = 456 ]]