diff --git a/arch/sandbox/cpu/start.c b/arch/sandbox/cpu/start.c
index b23d08b..4c38fab 100644
--- a/arch/sandbox/cpu/start.c
+++ b/arch/sandbox/cpu/start.c
@@ -4,6 +4,7 @@
  */
 
 #include <common.h>
+#include <errno.h>
 #include <os.h>
 #include <cli.h>
 #include <malloc.h>
diff --git a/drivers/misc/i2c_eeprom_emul.c b/drivers/misc/i2c_eeprom_emul.c
index 7343445..4410d03 100644
--- a/drivers/misc/i2c_eeprom_emul.c
+++ b/drivers/misc/i2c_eeprom_emul.c
@@ -8,6 +8,7 @@
 
 #include <common.h>
 #include <dm.h>
+#include <errno.h>
 #include <fdtdec.h>
 #include <i2c.h>
 #include <malloc.h>
diff --git a/drivers/misc/swap_case.c b/drivers/misc/swap_case.c
index f6028ba..3b8aa48 100644
--- a/drivers/misc/swap_case.c
+++ b/drivers/misc/swap_case.c
@@ -9,6 +9,7 @@
 
 #include <common.h>
 #include <dm.h>
+#include <errno.h>
 #include <pci.h>
 #include <asm/test.h>
 #include <linux/ctype.h>