diff --git a/devices/ethernet/mace.cpp b/devices/ethernet/mace.cpp
index 4dffab0..f5c9358 100644
--- a/devices/ethernet/mace.cpp
+++ b/devices/ethernet/mace.cpp
@@ -26,6 +26,8 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 #include <cinttypes>
 
+using namespace MaceEnet;
+
 uint8_t MaceController::read(uint8_t reg_offset)
 {
     switch(reg_offset) {
diff --git a/devices/ethernet/mace.h b/devices/ethernet/mace.h
index 67358ee..d722453 100644
--- a/devices/ethernet/mace.h
+++ b/devices/ethernet/mace.h
@@ -32,6 +32,8 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 // MACE registers offsets
 // Refer to the Am79C940 datasheet for details
+namespace MaceEnet {
+
 enum MaceReg : uint8_t {
     Rcv_FIFO        = 0,
     Xmit_FIFO       = 1,
@@ -62,6 +64,8 @@ enum MaceReg : uint8_t {
     Rsrvd_Test_2    = 0x1F, // not used in Macintosh?
 };
 
+}; // namespace MaceEnet
+
 class MaceController {
 public:
     MaceController(uint16_t id) { this->chip_id = id; };