diff --git a/conf/intel/repo/sabayon-hell/packages.db.system_mask b/conf/intel/repo/sabayon-hell/packages.db.system_mask
new file mode 100644
index 0000000..6b550d3
--- /dev/null
+++ b/conf/intel/repo/sabayon-hell/packages.db.system_mask
@@ -0,0 +1,14 @@
+app-admin/equo
+app-misc/sabayon-version
+dev-db/sqlite
+sys-apps/entropy
+sys-devel/gcc:4.5
+sys-libs/db:4.8
+virtual/cron   
+# virtual/linux-binary
+sys-auth/pambase
+# glibc cannot be removed, it's part of the system
+# nowadays it's not even a system pkg because
+# virtual/libc wraps it.
+# This makes sure we always block glibc
+sys-libs/glibc
diff --git a/conf/intel/repo/sabayon-limbo/packages.db.system_mask b/conf/intel/repo/sabayon-limbo/packages.db.system_mask
index 425959c..6b550d3 100644
--- a/conf/intel/repo/sabayon-limbo/packages.db.system_mask
+++ b/conf/intel/repo/sabayon-limbo/packages.db.system_mask
@@ -7,3 +7,8 @@ sys-libs/db:4.8
 virtual/cron   
 # virtual/linux-binary
 sys-auth/pambase
+# glibc cannot be removed, it's part of the system
+# nowadays it's not even a system pkg because
+# virtual/libc wraps it.
+# This makes sure we always block glibc
+sys-libs/glibc
diff --git a/conf/intel/repo/sabayonlinux.org/packages.db.system_mask b/conf/intel/repo/sabayonlinux.org/packages.db.system_mask
index 425959c..7e4ab43 100644
--- a/conf/intel/repo/sabayonlinux.org/packages.db.system_mask
+++ b/conf/intel/repo/sabayonlinux.org/packages.db.system_mask
@@ -7,3 +7,9 @@ sys-libs/db:4.8
 virtual/cron   
 # virtual/linux-binary
 sys-auth/pambase
+
+# glibc cannot be removed, it's part of the system
+# nowadays it's not even a system pkg because
+# virtual/libc wraps it.
+# This makes sure we always block glibc
+sys-libs/glibc