diff --git a/boot/common/src/uboot/lib/errno.c b/boot/common/src/uboot/lib/errno.c
new file mode 100644
index 0000000..8330a8f
--- /dev/null
+++ b/boot/common/src/uboot/lib/errno.c
@@ -0,0 +1 @@
+int errno = 0;