diff --git a/homework-4/package.json b/homework-4/package.json
index 83f1b388cf432cb97d875d28391fbe982132a4c2..d64e1098b1f3bff0fe5d0603e770a1891dafbd77 100644
--- a/homework-4/package.json
+++ b/homework-4/package.json
@@ -8,11 +8,11 @@
   "scripts": {
     "lint:js": "eslint --max-warnings 0 ./src",
     "lint": "run-s --continue-on-error lint:**",
-    "test-once:sum": "node --experimental-vm-modules node_modules/jest/bin/jest.js --coverage -t 'addition monoid'",
-    "test-once:program": "node --experimental-vm-modules node_modules/jest/bin/jest.js --coverage -t 'program monoid'",
-    "test-once:comments": "node --experimental-vm-modules node_modules/jest/bin/jest.js --coverage -t 'comment monoid'",
-    "test-once:orientation": "node --experimental-vm-modules node_modules/jest/bin/jest.js --coverage -t 'orientation monoid'",
-    "test-once:longestString": "node --experimental-vm-modules node_modules/jest/bin/jest.js --coverage -t 'longest-string monoid'",
+    "test-once:sum": "node --experimental-vm-modules node_modules/jest/bin/jest.js --coverage -t \"addition monoid\"",
+    "test-once:program": "node --experimental-vm-modules node_modules/jest/bin/jest.js --coverage -t \"program monoid\"",
+    "test-once:comments": "node --experimental-vm-modules node_modules/jest/bin/jest.js --coverage -t \"comment monoid\"",
+    "test-once:orientation": "node --experimental-vm-modules node_modules/jest/bin/jest.js --coverage -t \"orientation monoid\"",
+    "test-once:longestString": "node --experimental-vm-modules node_modules/jest/bin/jest.js --coverage -t \"longest-string monoid\"",
     "test-once": "node --experimental-vm-modules node_modules/jest/bin/jest.js --coverage",
     "test": "node --experimental-vm-modules node_modules/jest/bin/jest.js --watchAll --coverage"
   },