diff --git a/Kernel/Process.h b/Kernel/Process.h
index 879997c2ab..a709c3c0fe 100644
--- a/Kernel/Process.h
+++ b/Kernel/Process.h
@@ -251,7 +251,7 @@ public:
     int sys$clock_settime(clockid_t, Userspace<const timespec*>);
     int sys$clock_nanosleep(Userspace<const Syscall::SC_clock_nanosleep_params*>);
     int sys$gethostname(Userspace<char*>, ssize_t);
-    int sys$sethostname(const char*, ssize_t);
+    int sys$sethostname(Userspace<const char*>, ssize_t);
     int sys$uname(utsname*);
     int sys$readlink(Userspace<const Syscall::SC_readlink_params*>);
     int sys$ttyname(int fd, Userspace<char*>, size_t);
diff --git a/Kernel/Syscalls/hostname.cpp b/Kernel/Syscalls/hostname.cpp
index d81817d2db..490c6a169d 100644
--- a/Kernel/Syscalls/hostname.cpp
+++ b/Kernel/Syscalls/hostname.cpp
@@ -45,7 +45,7 @@ int Process::sys$gethostname(Userspace<char*> buffer, ssize_t size)
     return 0;
 }
 
-int Process::sys$sethostname(const char* hostname, ssize_t length)
+int Process::sys$sethostname(Userspace<const char*> hostname, ssize_t length)
 {
     REQUIRE_NO_PROMISES;
     if (!is_superuser())