diff --git a/Kernel/Process.h b/Kernel/Process.h
index f7d84d6208..879997c2ab 100644
--- a/Kernel/Process.h
+++ b/Kernel/Process.h
@@ -250,7 +250,7 @@ public:
     int sys$clock_gettime(clockid_t, Userspace<timespec*>);
     int sys$clock_settime(clockid_t, Userspace<const timespec*>);
     int sys$clock_nanosleep(Userspace<const Syscall::SC_clock_nanosleep_params*>);
-    int sys$gethostname(char*, ssize_t);
+    int sys$gethostname(Userspace<char*>, ssize_t);
     int sys$sethostname(const char*, ssize_t);
     int sys$uname(utsname*);
     int sys$readlink(Userspace<const Syscall::SC_readlink_params*>);
diff --git a/Kernel/Syscalls/hostname.cpp b/Kernel/Syscalls/hostname.cpp
index 8f899dd00b..d81817d2db 100644
--- a/Kernel/Syscalls/hostname.cpp
+++ b/Kernel/Syscalls/hostname.cpp
@@ -31,7 +31,7 @@ namespace Kernel {
 extern String* g_hostname;
 extern Lock* g_hostname_lock;
 
-int Process::sys$gethostname(char* buffer, ssize_t size)
+int Process::sys$gethostname(Userspace<char*> buffer, ssize_t size)
 {
     REQUIRE_PROMISE(stdio);
     if (size < 0)