diff --git a/nbresult/__init__.py b/nbresult/__init__.py
index 5e73df8..9272de9 100644
--- a/nbresult/__init__.py
+++ b/nbresult/__init__.py
@@ -67,7 +67,15 @@ def check(self):
             tests_directory = 'tests'
             if self.subdir:
                 tests_directory = f'{tests_directory}/{self.subdir}'
-            result = f"""
+
+            nbresult_post_check_message = os.getenv('NBRESULT_POST_CHECK_MESSAGE')
+            if nbresult_post_check_message == 'JUPYTERLAB':
+                result = f"""
+{result}\n
+:100: You can now save your changes and move on to the next challenge.
+"""
+            else:
+                result = f"""
 {result}\n
 💯 You can commit your code:\n
 \033[1;32mgit\033[39m add {tests_directory}/{self.name}.pickle\n
diff --git a/setup.py b/setup.py
index 07a9210..5a68c32 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
     long_description = fh.read()
 
 setup(name='nbresult',
-      version='0.1.0',
+      version='0.1.1',
       description='Extract results from Jupyter notebooks',
       license="MIT",
       long_description=long_description,
diff --git a/tests/test_challenge_result.py b/tests/test_challenge_result.py
index e74441f..11600b2 100644
--- a/tests/test_challenge_result.py
+++ b/tests/test_challenge_result.py
@@ -109,3 +109,34 @@ def test_subdir_is_in_the_file_path_to_add(self):
         result.write()
         output = result.check()
         self.assertIn(f'add tests/{subdir}/unicity.pickle', output)
+
+    def test_post_check_message_when_env_not_set(self):
+        cwd = os.getcwd()
+        challenge_dir = os.path.join(os.path.dirname(__file__), 'fixtures', 'package_challenge', 'toto')
+        subdir = 'first_tests'
+        tests_dir = os.path.join(challenge_dir, 'tests', subdir)
+        os.chdir(challenge_dir)
+        result = ChallengeResult('unicity', subdir=subdir, dummy=42)
+        result.write()
+        output = result.check()
+        # Manual tear down
+        os.chdir(cwd)
+        os.remove(os.path.join(tests_dir, 'unicity.pickle'))
+
+        self.assertIn(f'You can commit your code', output)
+
+    def test_post_check_message_when_env_set_to_jupyterlab(self):
+        cwd = os.getcwd()
+        challenge_dir = os.path.join(os.path.dirname(__file__), 'fixtures', 'package_challenge', 'toto')
+        subdir = 'first_tests'
+        tests_dir = os.path.join(challenge_dir, 'tests', subdir)
+        os.chdir(challenge_dir)
+        result = ChallengeResult('unicity', subdir=subdir, dummy=42)
+        result.write()
+        os.environ['NBRESULT_POST_CHECK_MESSAGE'] = 'JUPYTERLAB'
+        output = result.check()
+        # Manual tear down
+        os.chdir(cwd)
+        os.remove(os.path.join(tests_dir, 'unicity.pickle'))
+        os.environ['NBRESULT_POST_CHECK_MESSAGE'] = ''
+        self.assertIn(f'You can now save your changes and move on to the next challenge', output)