diff --git a/lib/src/processor/memory/mmio/gpu.rs b/lib/src/processor/memory/mmio/gpu.rs
index 189e03f..3114e32 100644
--- a/lib/src/processor/memory/mmio/gpu.rs
+++ b/lib/src/processor/memory/mmio/gpu.rs
@@ -322,7 +322,7 @@ where
         }
         for x in 0..WIDTH {
             self.buffer[(scanline as usize * WIDTH) + x] = ColourInner::Error
-                .rgb_bytes(None, self.is_cgb_mode())
+                .rgb_bytes(None, self.cgb_data.is_some())
                 .into();
         }
         if self.lcdc.bg_window_enable {
@@ -337,7 +337,7 @@ where
         } else {
             for x in 0..WIDTH {
                 self.buffer[(scanline as usize * WIDTH) + x] = ColourInner::Error
-                    .rgb_bytes(None, self.is_cgb_mode())
+                    .rgb_bytes(None, self.cgb_data.is_some())
                     .into();
             }
         }
@@ -490,7 +490,7 @@ where
                     });
 
                     self.buffer[buffer_index] =
-                        colour.rgb_bytes(cgb_data, self.is_cgb_mode()).into();
+                        colour.rgb_bytes(cgb_data, self.cgb_data.is_some()).into();
                 }
             }
         }
@@ -568,7 +568,7 @@ where
                 .map(|v| (v.palettes.bg, attributes.palette));
 
             self.buffer[(scanline as usize * WIDTH) + x] =
-                colour.rgb_bytes(cgb_data, self.is_cgb_mode()).into();
+                colour.rgb_bytes(cgb_data, self.cgb_data.is_some()).into();
         }
     }