diff --git a/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/use.mask b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/use.mask
index 6e03cd1800..7083468757 100644
--- a/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/use.mask
+++ b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/use.mask
@@ -15,3 +15,7 @@ python_single_target_python3_10
 
 # Unmask selinux so it can be enabled selectively in package.use
 -selinux
+
+# Mask cet flag, it isn't working with the compiler versions we are
+# having now.
+cet