diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 425fb54..0ab433a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -27,4 +27,4 @@ jobs:
       - name: integration tests
         run: ruby test/integration/runner.rb
         env:
-          CPM_INTEGRATION_TEST_DIR: ${{ env.GITHUB_WORKSPACE }}/build/integration
+          CPM_INTEGRATION_TEST_DIR: ./build/integration
diff --git a/test/integration/lib.rb b/test/integration/lib.rb
index bb28ed4..63c81e8 100644
--- a/test/integration/lib.rb
+++ b/test/integration/lib.rb
@@ -4,7 +4,7 @@ require 'tmpdir'
 require 'test/unit'
 
 module TestLib
-  TMP_DIR = ENV['CPM_INTEGRATION_TEST_DIR'] || File.join(Dir.tmpdir, 'cpm-test', Time.now.strftime('%Y_%m_%d-%H_%M_%S'))
+  TMP_DIR = File.expand_path(ENV['CPM_INTEGRATION_TEST_DIR'] || File.join(Dir.tmpdir, 'cpm-test', Time.now.strftime('%Y_%m_%d-%H_%M_%S')))
   CPM_PATH = File.expand_path('../../cmake/CPM.cmake', __dir__)
 
   TEMPLATES_DIR = File.expand_path('templates', __dir__)