diff --git a/Userland/Libraries/LibC/errno_codes.h b/Userland/Libraries/LibC/errno_codes.h
index 9a51baa30ddf92..6362446074cf82 100644
--- a/Userland/Libraries/LibC/errno_codes.h
+++ b/Userland/Libraries/LibC/errno_codes.h
@@ -9,6 +9,7 @@
 #include <Kernel/API/POSIX/errno.h>
 
 // NOTE: You can't define with a macro, so these have to be duplicated.
+#define ESUCCESS ESUCCESS
 #define EPERM EPERM
 #define ENOENT ENOENT
 #define ESRCH ESRCH
@@ -74,8 +75,8 @@
 #define ENOTCONN ENOTCONN
 #define ESHUTDOWN ESHUTDOWN
 #define ETOOMANYREFS ETOOMANYREFS
-#define EPROTONOSUPPORT EPROTONOSUPPORT
 #define ESOCKTNOSUPPORT ESOCKTNOSUPPORT
+#define EPROTONOSUPPORT EPROTONOSUPPORT
 #define EDEADLK EDEADLK
 #define ETIMEDOUT ETIMEDOUT
 #define EPROTOTYPE EPROTOTYPE
@@ -84,10 +85,12 @@
 #define EPROTO EPROTO
 #define ENOTSUP ENOTSUP
 #define EPFNOSUPPORT EPFNOSUPPORT
-#define EDQUOT EDQUOT
 #define EDIRINTOSELF EDIRINTOSELF
+#define EDQUOT EDQUOT
 #define ENOTRECOVERABLE ENOTRECOVERABLE
 #define ECANCELED ECANCELED
+#define EPROMISEVIOLATION EPROMISEVIOLATION
+#define ESTALE ESTALE
 #define EMAXERRNO EMAXERRNO
 
 #define EWOULDBLOCK EAGAIN