diff --git a/src/DSi.cpp b/src/DSi.cpp
index 306c5d1c..5b98957c 100644
--- a/src/DSi.cpp
+++ b/src/DSi.cpp
@@ -142,6 +142,7 @@ void DSi::Reset()
     SCFG_Clock9 = 0x0187; // CHECKME
     SCFG_Clock7 = 0x0187;
     SCFG_EXT[0] = 0x8307F100;
+    SetVRAMTimings(true);
     SCFG_EXT[1] = 0x93FFFB06;
     SCFG_MC = 0x0010 | (~((u32)(NDSCartSlot.GetCart() != nullptr))&1);//0x0011;
     SCFG_RST = 0;
@@ -215,6 +216,7 @@ void DSi::DoSavestateExtra(Savestate* file)
         Set_SCFG_Clock9(SCFG_Clock9);
         Set_SCFG_MC(SCFG_MC);
         DSP.SetRstLine(SCFG_RST & 0x0001);
+        SetVRAMTimings(SCFG_EXT[0] & (1<<13));
 
         MBK[0][8] = 0;
         MBK[1][8] = 0;
@@ -693,6 +695,7 @@ void DSi::SoftReset()
     SCFG_Clock9 = 0x0187; // CHECKME
     SCFG_Clock7 = 0x0187;
     SCFG_EXT[0] = 0x8307F100;
+    SetVRAMTimings(true);
     SCFG_EXT[1] = 0x93FFFB06;
     SCFG_MC = 0x0010;//0x0011;
     // TODO: is this actually reset?
@@ -1283,6 +1286,14 @@ void DSi::Set_SCFG_MC(u32 val)
     }
 }
 
+void DSi::SetVRAMTimings(bool extrabuswidth)
+{
+    if (extrabuswidth)
+        SetARM9RegionTimings(0x06000, 0x07000, Mem9_VRAM, 32, 1, 1); // dsi vram
+    else
+        SetARM9RegionTimings(0x06000, 0x07000, Mem9_VRAM, 16, 1, 1); // ds vram
+}
+
 
 u8 DSi::ARM9Read8(u32 addr)
 {
@@ -2521,11 +2532,18 @@ void DSi::ARM9IOWrite32(u32 addr, u32 val)
             u32 oldram = (SCFG_EXT[0] >> 14) & 0x3;
             u32 newram = (val >> 14) & 0x3;
 
+            u32 oldvram = (SCFG_EXT[0] & (1<<13));
+            u32 newvram = (val & (1<<13));
+
             SCFG_EXT[0] &= ~0x8007F19F;
             SCFG_EXT[0] |= (val & 0x8007F19F);
             SCFG_EXT[1] &= ~0x0000F080;
             SCFG_EXT[1] |= (val & 0x0000F080);
             Log(LogLevel::Debug, "SCFG_EXT = %08X / %08X (val9 %08X)\n", SCFG_EXT[0], SCFG_EXT[1], val);
+
+            if (oldvram != newvram)
+                SetVRAMTimings(newvram);
+
             /*switch ((SCFG_EXT[0] >> 14) & 0x3)
             {
             case 0:
diff --git a/src/DSi.h b/src/DSi.h
index 1d010e0f..755e1f50 100644
--- a/src/DSi.h
+++ b/src/DSi.h
@@ -96,6 +96,7 @@ public:
     void MapNWRAM_B(u32 num, u8 val);
     void MapNWRAM_C(u32 num, u8 val);
     void MapNWRAMRange(u32 cpu, u32 num, u32 val);
+    void SetVRAMTimings(bool extrabuswidth);
 
     u8 ARM9Read8(u32 addr) override;
     u16 ARM9Read16(u32 addr) override;