diff --git a/support/biicode-build.py b/support/biicode-build.py
index 33ecaca0..33b4dd47 100755
--- a/support/biicode-build.py
+++ b/support/biicode-build.py
@@ -7,9 +7,10 @@ from subprocess import check_call
 
 os_name = os.environ['TRAVIS_OS_NAME']
 cmake_dir = 'cmake-dir'
+cmake_program = 'cmake'
 if os_name == 'linux':
   # Install newer version of CMake.
-  bootstrap.install_cmake(
+  cmake_program = bootstrap.install_cmake(
     'cmake-3.1.1-Linux-i386.tar.gz', check_installed=False,
     download_dir=None, install_dir=cmake_dir, add_to_path=False)
   with Downloader().download('http://www.biicode.com/downloads/latest/ubuntu64') as f:
@@ -26,5 +27,5 @@ shutil.copytree('.', cppformat_dir,
 for f in glob.glob('support/biicode/*'):
   shutil.copy(f, cppformat_dir)
 env = os.environ.copy()
-env['PATH'] = '../{}:{}'.format(cmake_dir, env['PATH'])
+env['PATH'] = os.path.dirname(cmake_program) + ':' + env['PATH']
 check_call(['bii', 'cpp:build'], cwd=project_dir, env=env)