diff --git a/kernel/src/main.cpp b/kernel/src/main.cpp
index 5e73a722..9724442e 100644
--- a/kernel/src/main.cpp
+++ b/kernel/src/main.cpp
@@ -62,7 +62,7 @@ void oom_thread()
 
         auto init =
             mark_critical(VFS::resolve_path("/bin/preinit", Credentials {}), "Can't find init in the initial ramfs!");
-        auto init_thread = mark_critical(Scheduler::new_userspace_thread(init, "/bin/preinit"),
+        auto init_thread = mark_critical(Scheduler::create_init_process(init, "/bin/preinit"),
                                          "Failed to create PID 1 process for init");
 
         auto reap = mark_critical(Scheduler::new_kernel_thread(reap_thread, "[reap]"),
diff --git a/kernel/src/thread/Scheduler.cpp b/kernel/src/thread/Scheduler.cpp
index bc4ea632..af866997 100644
--- a/kernel/src/thread/Scheduler.cpp
+++ b/kernel/src/thread/Scheduler.cpp
@@ -140,8 +140,10 @@ namespace Scheduler
         return new_kernel_thread_impl(thread, name);
     }
 
-    Result<Thread*> new_userspace_thread(SharedPtr<VFS::Inode> inode, const char* name)
+    Result<Thread*> create_init_process(SharedPtr<VFS::Inode> inode, const char* name)
     {
+        check(!g_init);
+
         Thread* const thread = TRY(make<Thread>());
 
         thread->state = ThreadState::None;
diff --git a/kernel/src/thread/Scheduler.h b/kernel/src/thread/Scheduler.h
index 0d357825..5c9ec66d 100644
--- a/kernel/src/thread/Scheduler.h
+++ b/kernel/src/thread/Scheduler.h
@@ -20,7 +20,7 @@ namespace Scheduler
     Result<Thread*> new_kernel_thread(void (*func)(void), const char* name);
     Result<Thread*> new_kernel_thread(void (*func)(void*), void* arg, const char* name);
 
-    Result<Thread*> new_userspace_thread(SharedPtr<VFS::Inode> inode, const char* name);
+    Result<Thread*> create_init_process(SharedPtr<VFS::Inode> inode, const char* name);
 
     void add_thread(Thread* thread);