diff --git a/Kernel/TTY/PTYMultiplexer.cpp b/Kernel/TTY/PTYMultiplexer.cpp
index 0f34445cae..ba6b46d103 100644
--- a/Kernel/TTY/PTYMultiplexer.cpp
+++ b/Kernel/TTY/PTYMultiplexer.cpp
@@ -24,7 +24,7 @@ PTYMultiplexer& PTYMultiplexer::the()
 UNMAP_AFTER_INIT PTYMultiplexer::PTYMultiplexer()
     : CharacterDevice(5, 2)
 {
-    m_freelist.with_exclusive([&](auto& freelist) {
+    m_freelist.with([&](auto& freelist) {
         freelist.ensure_capacity(max_pty_pairs);
         for (int i = max_pty_pairs; i > 0; --i)
             freelist.unchecked_append(i - 1);
@@ -42,7 +42,7 @@ UNMAP_AFTER_INIT void PTYMultiplexer::initialize()
 
 ErrorOr<NonnullRefPtr<OpenFileDescription>> PTYMultiplexer::open(int options)
 {
-    return m_freelist.with_exclusive([&](auto& freelist) -> ErrorOr<NonnullRefPtr<OpenFileDescription>> {
+    return m_freelist.with([&](auto& freelist) -> ErrorOr<NonnullRefPtr<OpenFileDescription>> {
         if (freelist.is_empty())
             return EBUSY;
 
@@ -58,7 +58,7 @@ ErrorOr<NonnullRefPtr<OpenFileDescription>> PTYMultiplexer::open(int options)
 
 void PTYMultiplexer::notify_master_destroyed(Badge<MasterPTY>, unsigned index)
 {
-    m_freelist.with_exclusive([&](auto& freelist) {
+    m_freelist.with([&](auto& freelist) {
         freelist.append(index);
         dbgln_if(PTMX_DEBUG, "PTYMultiplexer: {} added to freelist", index);
     });
diff --git a/Kernel/TTY/PTYMultiplexer.h b/Kernel/TTY/PTYMultiplexer.h
index caac7b0fdd..9c0a546cf2 100644
--- a/Kernel/TTY/PTYMultiplexer.h
+++ b/Kernel/TTY/PTYMultiplexer.h
@@ -8,7 +8,6 @@
 
 #include <AK/Badge.h>
 #include <Kernel/Devices/CharacterDevice.h>
-#include <Kernel/Locking/Mutex.h>
 
 namespace Kernel {
 
@@ -36,7 +35,7 @@ private:
     virtual StringView class_name() const override { return "PTYMultiplexer"sv; }
 
     static constexpr size_t max_pty_pairs = 64;
-    MutexProtected<Vector<unsigned, max_pty_pairs>> m_freelist;
+    SpinlockProtected<Vector<unsigned, max_pty_pairs>> m_freelist;
 };
 
 }