diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GBHawk.IEmulator.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GBHawk.IEmulator.cs
index 9c259f69f3..af6cc525d9 100644
--- a/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GBHawk.IEmulator.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GBHawk.IEmulator.cs
@@ -62,6 +62,12 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBHawk
 
 			do_frame();
 
+			if (_scanlineCallback != null)
+			{
+				GetGPU();
+				_scanlineCallback(ppu.LCDC);
+			}
+
 			if (_islag)
 			{
 				_lagcount++;
diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/PPU.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/PPU.cs
index 21bb929a38..4c61d66dd2 100644
--- a/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/PPU.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/PPU.cs
@@ -227,6 +227,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBHawk
 					{
 						if (Core._scanlineCallback != null)
 						{
+							Core.GetGPU();
 							Core._scanlineCallback(LCDC);
 						}						
 					}