diff --git a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GBC_GB_PPU.cs b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GBC_GB_PPU.cs
index 78c8a8477c..e96e1e38fb 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GBC_GB_PPU.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GBC_GB_PPU.cs
@@ -1200,6 +1200,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBHawk
 								// unlike for the normal background case, there is no pre-render period for the window
 								// so start shifting in data to the screen right away
 								pre_render_2 = false;
+								first_fetch = true;
 
 								if (window_x_latch <= 7)
 								{
diff --git a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GBC_PPU.cs b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GBC_PPU.cs
index b5ff53f861..d388374745 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GBC_PPU.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GBC_PPU.cs
@@ -1157,6 +1157,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBHawk
 								// unlike for the normal background case, there is no pre-render period for the window
 								// so start shifting in data to the screen right away
 								pre_render_2 = false;
+								first_fetch = true;
 
 								if (window_x_latch <= 7)
 								{
diff --git a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GB_PPU.cs b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GB_PPU.cs
index 527090af75..56f294e29a 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GB_PPU.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GB_PPU.cs
@@ -805,6 +805,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBHawk
 								// unlike for the normal background case, there is no pre-render period for the window
 								// so start shifting in data to the screen right away
 								pre_render_2 = false;
+								first_fetch = true;
 
 								if (window_x_latch <= 7)
 								{