diff --git a/profiles/base/arch/amd64/package.use.mask b/profiles/base/arch/amd64/package.use.mask
new file mode 100644
index 000000000..08730a069
--- /dev/null
+++ b/profiles/base/arch/amd64/package.use.mask
@@ -0,0 +1 @@
+sys-kernel/calculate-sources pae
diff --git a/profiles/base/server/package.use.mask b/profiles/base/server/package.use.mask
new file mode 100644
index 000000000..eab762aad
--- /dev/null
+++ b/profiles/base/server/package.use.mask
@@ -0,0 +1 @@
+sys-kernel/calculate-sources muqss