diff --git a/Source/Atmosphere/stratosphere/loader/source/oc/customize.cpp b/Source/Atmosphere/stratosphere/loader/source/oc/customize.cpp
index fa388c1c..45c07283 100644
--- a/Source/Atmosphere/stratosphere/loader/source/oc/customize.cpp
+++ b/Source/Atmosphere/stratosphere/loader/source/oc/customize.cpp
@@ -105,6 +105,8 @@ volatile CustomizeTable C = {
 
 .ramTimingPresetSeven = 0,
 
+.marikoGpuVoltArray = {610, 610, 610, 610, 610, 610, 610, 610, 610, 610, 620, 640, 675, 710, 735, 785, 815},
+
 /* Advanced Settings:
  * - Erista CPU DVFS Table:
  */
diff --git a/Source/Atmosphere/stratosphere/loader/source/oc/customize.hpp b/Source/Atmosphere/stratosphere/loader/source/oc/customize.hpp
index 25020252..1285b74e 100644
--- a/Source/Atmosphere/stratosphere/loader/source/oc/customize.hpp
+++ b/Source/Atmosphere/stratosphere/loader/source/oc/customize.hpp
@@ -62,6 +62,7 @@ typedef struct CustomizeTable {
     u32 ramTimingPresetFive;
     u32 ramTimingPresetSix;
     u32 ramTimingPresetSeven;
+    u32 marikoGpuVoltArray[17];
     CustomizeCpuDvfsTable eristaCpuDvfsTable;
     CustomizeCpuDvfsTable marikoCpuDvfsTable;
     CustomizeCpuDvfsTable marikoCpuDvfsTableSLT;
diff --git a/Source/Atmosphere/stratosphere/loader/source/oc/pcv/pcv.hpp b/Source/Atmosphere/stratosphere/loader/source/oc/pcv/pcv.hpp
index 9162117f..429aef41 100644
--- a/Source/Atmosphere/stratosphere/loader/source/oc/pcv/pcv.hpp
+++ b/Source/Atmosphere/stratosphere/loader/source/oc/pcv/pcv.hpp
@@ -237,7 +237,7 @@ Result GpuFreqCvbTable(u32* ptr) {
     } else {
         customize_table = const_cast<cvb_entry_t *>(C.eristaGpuDvfsTable);
     }
-    
+
     size_t default_entry_count = GetDvfsTableEntryCount(default_table);
     size_t default_table_size = default_entry_count * sizeof(cvb_entry_t);
     size_t customize_entry_count = GetDvfsTableEntryCount(customize_table);
@@ -251,6 +251,15 @@ Result GpuFreqCvbTable(u32* ptr) {
 
     std::memcpy(gpu_cvb_table_head, (void*)customize_table, customize_table_size);
 
+    // Patch GPU volt
+    if (C.marikoGpuUV == 3) {
+        cvb_entry_t* entry = static_cast<cvb_entry_t *>(gpu_cvb_table_head);
+        for (size_t i = 0; i < customize_entry_count; i++) {
+            PATCH_OFFSET(&(entry->cvb_pll_param.c0), C.marikoGpuVoltArray[i] * 1000);
+            entry++;
+        }
+    }
+
     R_SUCCEED();
 };
 
diff --git a/Source/sys-clk-OC/sysmodule/src/file_utils.h b/Source/sys-clk-OC/sysmodule/src/file_utils.h
index 13ba5fb5..27a496f1 100644
--- a/Source/sys-clk-OC/sysmodule/src/file_utils.h
+++ b/Source/sys-clk-OC/sysmodule/src/file_utils.h
@@ -65,6 +65,7 @@ typedef struct CustTable {
     u32 ramTimingPresetFive;
     u32 ramTimingPresetSix;
     u32 ramTimingPresetSeven;
+    u32 marikoGpuVoltArray[17];
     CustomizeCpuDvfsTable eristaCpuDvfsTable;
     CustomizeCpuDvfsTable marikoCpuDvfsTable;
     CustomizeCpuDvfsTable marikoCpuDvfsTableSLT;