diff --git a/include/libopencm3/ethernet/mac.h b/include/libopencm3/ethernet/mac.h
index b047e4db..b7887068 100644
--- a/include/libopencm3/ethernet/mac.h
+++ b/include/libopencm3/ethernet/mac.h
@@ -37,6 +37,8 @@
 #       include <libopencm3/ethernet/mac_stm32fxx7.h>
 #elif defined(STM32F4)
 #       include <libopencm3/ethernet/mac_stm32fxx7.h>
+#elif defined(STM32F7)
+#       include <libopencm3/ethernet/mac_stm32fxx7.h>
 #else
 #       error "stm32 family not defined."
 #endif
diff --git a/lib/stm32/f7/Makefile b/lib/stm32/f7/Makefile
index b8bb8751..e877749c 100644
--- a/lib/stm32/f7/Makefile
+++ b/lib/stm32/f7/Makefile
@@ -57,6 +57,9 @@ OBJS		+= spi_common_all.o spi_common_v2.o
 OBJS		+= timer_common_all.o
 OBJS		+= usart_common_all.o usart_common_v2.o
 
+# Ethernet
+OBJS		+= mac.o phy.o mac_stm32fxx7.o phy_ksz80x1.o
+
 VPATH += ../../usb:../:../../cm3:../common
 VPATH += ../../ethernet