diff --git a/package.json b/package.json
index 7d84232..53ec620 100644
--- a/package.json
+++ b/package.json
@@ -9,6 +9,7 @@
   "engines": {
     "atom": ">=1.0.0 <2.0.0"
   },
+  "activationHooks": ["language-coffee-script:grammar-used"],
   "package-deps": [
     "linter"
   ],
diff --git a/spec/linter-coffeelint-spec.js b/spec/linter-coffeelint-spec.js
index fce6492..6bceaf9 100644
--- a/spec/linter-coffeelint-spec.js
+++ b/spec/linter-coffeelint-spec.js
@@ -9,12 +9,17 @@ const lint = require('../lib/init.coffee').provideLinter().lint;
 describe('The CoffeeLint provider for Linter', () => {
   describe('works with CoffeeScript files and', () => {
     beforeEach(() => {
+      // Info about this beforeEach() implementation:
+      // https://github.com/AtomLinter/Meta/issues/15
+      const activationPromise =
+        atom.packages.activatePackage('linter-coffeelint');
+
       waitsForPromise(() =>
-        Promise.all([
-          atom.packages.activatePackage('linter-coffeelint'),
-          atom.packages.activatePackage('language-coffee-script'),
-        ])
-      );
+        atom.packages.activatePackage('language-coffee-script').then(() =>
+          atom.workspace.open(validPath)));
+
+      atom.packages.triggerDeferredActivationHooks();
+      waitsForPromise(() => activationPromise);
     });
 
     it('finds nothing wrong with a valid file', () => {