diff --git a/scripts/unit-test.py b/scripts/unit-test.py
index b15d0c8..190b7a1 100755
--- a/scripts/unit-test.py
+++ b/scripts/unit-test.py
@@ -944,8 +944,10 @@
 
         # Run clang-tidy only if the project has a configuration
         if os.path.isfile('.clang-tidy'):
+            os.environ["CXX"] = "clang++"
+            check_call_cmd('meson', 'setup', 'build-clang')
             check_call_cmd('run-clang-tidy.py', '-p',
-                           'build')
+                           'build-clang')
         # Run the basic clang static analyzer otherwise
         else:
             check_call_cmd('ninja', '-C', 'build',