diff --git a/libraries/libmesosphere/source/board/nintendo/nx/kern_k_system_control.cpp b/libraries/libmesosphere/source/board/nintendo/nx/kern_k_system_control.cpp
index a3068d655..c9d7b7fef 100644
--- a/libraries/libmesosphere/source/board/nintendo/nx/kern_k_system_control.cpp
+++ b/libraries/libmesosphere/source/board/nintendo/nx/kern_k_system_control.cpp
@@ -553,7 +553,7 @@ namespace ams::kern::board::nintendo::nx {
         if (arg != nullptr) {
             /* Get the address of the legacy IRAM region. */
             const KVirtualAddress iram_address = KMemoryLayout::GetDeviceVirtualAddress(KMemoryRegionType_LegacyLpsIram) + 64_KB;
-            constexpr size_t RebootPayloadSize = 0x2E000;
+            constexpr size_t RebootPayloadSize = 0x24000;
 
             /* NOTE: Atmosphere extension; if we received an exception context from Panic(), */
             /*       generate a fatal error report using it. */
diff --git a/libraries/libmesosphere/source/board/nintendo/nx/kern_secure_monitor.cpp b/libraries/libmesosphere/source/board/nintendo/nx/kern_secure_monitor.cpp
index 6e48b5f40..711424de5 100644
--- a/libraries/libmesosphere/source/board/nintendo/nx/kern_secure_monitor.cpp
+++ b/libraries/libmesosphere/source/board/nintendo/nx/kern_secure_monitor.cpp
@@ -104,7 +104,7 @@ namespace ams::kern::board::nintendo::nx::smc {
                     /* Backup the current thread pointer. */
                     const uintptr_t current_thread_pointer_value = cpu::GetCurrentThreadPointerValue();
 
-                    __asm__ __volatile__("smc #1"
+                    __asm__ __volatile__("smc #0"
                                         : "+r"(x0), "+r"(x1), "+r"(x2), "+r"(x3), "+r"(x4), "+r"(x5), "+r"(x6), "+r"(x7)
                                         :
                                         : "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15", "x16", "x17", "x18", "cc", "memory"