diff --git a/Kernel/Thread.cpp b/Kernel/Thread.cpp
index 1bd4e59d82..c7f2b6cb49 100644
--- a/Kernel/Thread.cpp
+++ b/Kernel/Thread.cpp
@@ -547,9 +547,7 @@ void Thread::clear_signals()
     m_signal_mask = 0;
     m_pending_signals = 0;
     m_have_any_unmasked_pending_signals.store(false, AK::memory_order_release);
-
-    Span<SignalActionData> action_data(m_signal_action_data);
-    action_data.fill({});
+    m_signal_action_data.fill({});
 }
 
 // Certain exceptions, such as SIGSEGV and SIGILL, put a
@@ -868,7 +866,8 @@ RefPtr<Thread> Thread::clone(Process& process)
     if (thread_or_error.is_error())
         return {};
     auto& clone = thread_or_error.value();
-    memcpy(clone->m_signal_action_data, m_signal_action_data, sizeof(m_signal_action_data));
+    auto signal_action_data_span = m_signal_action_data.span();
+    signal_action_data_span.copy_to(clone->m_signal_action_data.span());
     clone->m_signal_mask = m_signal_mask;
     memcpy(clone->m_fpu_state, m_fpu_state, sizeof(FPUState));
     clone->m_thread_specific_data = m_thread_specific_data;
diff --git a/Kernel/Thread.h b/Kernel/Thread.h
index bc2e622348..462a7e3dcf 100644
--- a/Kernel/Thread.h
+++ b/Kernel/Thread.h
@@ -47,6 +47,7 @@
 #include <Kernel/TimerQueue.h>
 #include <Kernel/UnixTypes.h>
 #include <LibC/fd_set.h>
+#include <LibC/signal_numbers.h>
 
 namespace Kernel {
 
@@ -1239,7 +1240,7 @@ private:
     u32 m_kernel_stack_top { 0 };
     OwnPtr<Region> m_kernel_stack_region;
     VirtualAddress m_thread_specific_data;
-    SignalActionData m_signal_action_data[32] { };
+    Array<SignalActionData, NSIG> m_signal_action_data;
     Blocker* m_blocker { nullptr };
 
 #if LOCK_DEBUG