diff --git a/Kernel/API/POSIX/unistd.h b/Kernel/API/POSIX/unistd.h
index 0a1ffdfa7b..db26821fba 100644
--- a/Kernel/API/POSIX/unistd.h
+++ b/Kernel/API/POSIX/unistd.h
@@ -42,6 +42,7 @@ enum {
     _SC_SYMLOOP_MAX,
     _SC_MAPPED_FILES,
     _SC_ARG_MAX,
+    _SC_IOV_MAX,
 };
 
 #define _SC_MONOTONIC_CLOCK _SC_MONOTONIC_CLOCK
@@ -56,6 +57,7 @@ enum {
 #define _SC_SYMLOOP_MAX _SC_SYMLOOP_MAX
 #define _SC_MAPPED_FILES _SC_MAPPED_FILES
 #define _SC_ARG_MAX _SC_ARG_MAX
+#define _SC_IOV_MAX _SC_IOV_MAX
 
 #ifdef __cplusplus
 }
diff --git a/Kernel/Syscalls/sysconf.cpp b/Kernel/Syscalls/sysconf.cpp
index bed043c493..b2cbd5e08c 100644
--- a/Kernel/Syscalls/sysconf.cpp
+++ b/Kernel/Syscalls/sysconf.cpp
@@ -35,6 +35,8 @@ ErrorOr<FlatPtr> Process::sys$sysconf(int name)
         return Kernel::VirtualFileSystem::symlink_recursion_limit;
     case _SC_ARG_MAX:
         return Process::max_arguments_size;
+    case _SC_IOV_MAX:
+        return IOV_MAX;
     default:
         return EINVAL;
     }