1 files changed, 1 insertions, 1 deletions
diff --git a/run_unittests.py b/run_unittests.py
index 1400db7..79799ea 100755
--- a/run_unittests.py
+++ b/run_unittests.py
@@ -3427,7 +3427,7 @@ def unset_envs():
     # For unit tests we must fully control all command lines
     # so that there are no unexpected changes coming from the
     # environment, for example when doing a package build.
-    varnames = ['CPPFLAGS', 'LDFLAGS'] + list(mesonbuild.environment.cflags_mapping.values())
+    varnames = ['CPPFLAGS', 'LDFLAGS'] + list(mesonbuild.compilers.compilers.cflags_mapping.values())
     for v in varnames:
         if v in os.environ:
             del os.environ[v]