diff --git a/litex/soc/software/bios/commands/cmd_mdio.c b/litex/soc/software/bios/commands/cmd_mdio.c
index 35b020737..86e8fc8a9 100644
--- a/litex/soc/software/bios/commands/cmd_mdio.c
+++ b/litex/soc/software/bios/commands/cmd_mdio.c
@@ -5,7 +5,7 @@
 
 #include <generated/csr.h>
 
-#include <base/mdio.h>
+#include "mdio.h"
 
 #include "../command.h"
 #include "../helpers.h"
diff --git a/litex/soc/software/bios/main.c b/litex/soc/software/bios/main.c
index a9857c88d..2379dbee2 100644
--- a/litex/soc/software/bios/main.c
+++ b/litex/soc/software/bios/main.c
@@ -38,7 +38,7 @@
 #endif
 
 #ifdef CSR_ETHPHY_MDIO_W_ADDR
-#include <mdio.h>
+#include "mdio.h"
 #endif
 
 #include "sdram.h"
diff --git a/litex/soc/software/libbase/Makefile b/litex/soc/software/libbase/Makefile
index 13680ad0e..55380d8e7 100755
--- a/litex/soc/software/libbase/Makefile
+++ b/litex/soc/software/libbase/Makefile
@@ -2,7 +2,7 @@ include ../include/generated/variables.mak
 include $(SOC_DIRECTORY)/software/common.mak
 
 OBJECTS=exception.o libc.o errno.o crc16.o crc32.o console.o \
-	system.o id.o uart.o time.o qsort.o strtod.o spiflash.o spisdcard.o strcasecmp.o mdio.o
+	system.o id.o uart.o time.o qsort.o strtod.o spiflash.o spisdcard.o strcasecmp.o
 
 all: crt0-ctr.o crt0-xip.o libbase.a libbase-nofloat.a
 
diff --git a/litex/soc/software/libliteeth/Makefile b/litex/soc/software/libliteeth/Makefile
index 593acc203..c3cf0b98f 100644
--- a/litex/soc/software/libliteeth/Makefile
+++ b/litex/soc/software/libliteeth/Makefile
@@ -1,7 +1,7 @@
 include ../include/generated/variables.mak
 include $(SOC_DIRECTORY)/software/common.mak
 
-OBJECTS=udp.o tftp.o
+OBJECTS=udp.o tftp.o mdio.o
 
 all: libliteeth.a
 
diff --git a/litex/soc/software/libbase/mdio.c b/litex/soc/software/libliteeth/mdio.c
similarity index 100%
rename from litex/soc/software/libbase/mdio.c
rename to litex/soc/software/libliteeth/mdio.c
diff --git a/litex/soc/software/include/base/mdio.h b/litex/soc/software/libliteeth/mdio.h
similarity index 100%
rename from litex/soc/software/include/base/mdio.h
rename to litex/soc/software/libliteeth/mdio.h