diff --git a/Source/Atmosphere/stratosphere/loader/source/oc/pcv/mariko/pcv_mariko_cpu.cpp b/Source/Atmosphere/stratosphere/loader/source/oc/pcv/mariko/pcv_mariko_cpu.cpp
index 0ffd0c5f..d106668a 100644
--- a/Source/Atmosphere/stratosphere/loader/source/oc/pcv/mariko/pcv_mariko_cpu.cpp
+++ b/Source/Atmosphere/stratosphere/loader/source/oc/pcv/mariko/pcv_mariko_cpu.cpp
@@ -394,6 +394,10 @@ namespace ams::ldr::hoc::pcv::mariko {
                 PATCH_OFFSET(&(entry->tune0_high), 0xdfff);
                 PATCH_OFFSET(&(entry->tune1_high), 0x27f07ff);
                 break;
+            case 13:
+                PATCH_OFFSET(&(entry->tune0_high), 0xdfff);
+                PATCH_OFFSET(&(entry->tune1_high), 0x27FF7FF);
+                break;
             default:
                 break;
         }
diff --git a/Source/hoc-clk/overlay/src/ui/gui/misc_gui.cpp b/Source/hoc-clk/overlay/src/ui/gui/misc_gui.cpp
index d9f742e0..6fb5a89a 100644
--- a/Source/hoc-clk/overlay/src/ui/gui/misc_gui.cpp
+++ b/Source/hoc-clk/overlay/src/ui/gui/misc_gui.cpp
@@ -2364,7 +2364,7 @@ class CpuSubmenuGui : public MiscGui {
         this->listElement->addItem(new CompactCategoryHeader("CPU Settings"));
         if (IsMariko()) {
             addConfigTrackbar(KipConfigValue_marikoCpuUVLow, "CPU Low UV", ValueRange(0, 8, 1));
-            addConfigTrackbar(KipConfigValue_marikoCpuUVHigh, "CPU High UV", ValueRange(0, 12, 1));
+            addConfigTrackbar(KipConfigValue_marikoCpuUVHigh, "CPU High UV", ValueRange(0, 13, 1));
 
             std::vector<NamedValue> marikoTableConf = { // NamedValue("Auto", 0),
                                                         NamedValue("Default", 1), NamedValue("1581MHz Tbreak", 2), NamedValue("1683MHz Tbreak", 3),
diff --git a/Source/hoc-clk/sysmodule/src/board/board_volt.cpp b/Source/hoc-clk/sysmodule/src/board/board_volt.cpp
index 903136a1..12f2b293 100644
--- a/Source/hoc-clk/sysmodule/src/board/board_volt.cpp
+++ b/Source/hoc-clk/sysmodule/src/board/board_volt.cpp
@@ -70,10 +70,11 @@ namespace board {
             { 0xdfff, 0xdfff, 0x21707ff, 0x27d07ff }, { 0xdfff, 0xdfff, 0x21707ff, 0x27e07ff }, { 0xdfff, 0xdfff, 0x21707ff, 0x27f07ff },
         };
 
-        MarikoCpuUvEntry marikoCpuUvHigh[12] = {
+        MarikoCpuUvEntry marikoCpuUvHigh[13] = {
             { 0x0, 0xffff, 0, 0 },         { 0x0, 0xffdf, 0, 0x27207ff }, { 0x0, 0xffdf, 0, 0x27307ff }, { 0x0, 0xffdf, 0, 0x27407ff },
             { 0x0, 0xffdf, 0, 0x27707ff }, { 0x0, 0xffdf, 0, 0x27807ff }, { 0x0, 0xdfff, 0, 0x27b07ff }, { 0x0, 0xdfff, 0, 0x27c07ff },
             { 0x0, 0xdfff, 0, 0x27d07ff }, { 0x0, 0xdfff, 0, 0x27e07ff }, { 0x0, 0xdfff, 0, 0x27f07ff }, { 0x0, 0xdfff, 0, 0x27f07ff },
+            { 0x0, 0xdfff, 0, 0x27ff7ff },
         };
     }  // namespace