diff --git a/headers/private/graphics/intel_extreme/intel_extreme.h b/headers/private/graphics/intel_extreme/intel_extreme.h
index 8fc3ae73ee..23df8cd13b 100644
--- a/headers/private/graphics/intel_extreme/intel_extreme.h
+++ b/headers/private/graphics/intel_extreme/intel_extreme.h
@@ -254,6 +254,8 @@ struct intel_free_graphics_memory {
 #define PCH_TRANSCODER_B_VTOTAL			0xe100c	// INTEL_DISPLAY_B_VTOTAL
 #define PCH_TRANSCODER_B_VBLANK			0xe1010	// INTEL_DISPLAY_B_VBLANK
 #define PCH_TRANSCODER_B_VSYNC			0xe1014	// INTEL_DISPLAY_B_VSYNC
+#define PCH_DISPLAY_A_PALETTE			0x4a000	// INTEL_DISPLAY_A_PALETTE
+#define PCH_DISPLAY_B_PALETTE			0x4a800	// INTEL_DISPLAY_B_PALETTE
 
 #define PCH_LVDS_DETECTED				(1 << 1)
 #define PCH_INTERRUPT_VBLANK_PIPEA		(1 << 7)
diff --git a/src/add-ons/accelerants/intel_extreme/mode.cpp b/src/add-ons/accelerants/intel_extreme/mode.cpp
index 5cf2a1ed42..6cf97ab5a5 100644
--- a/src/add-ons/accelerants/intel_extreme/mode.cpp
+++ b/src/add-ons/accelerants/intel_extreme/mode.cpp
@@ -1259,8 +1259,11 @@ intel_set_indexed_colors(uint count, uint8 first, uint8 *colors, uint32 flags)
 		uint32 color = colors[0] << 16 | colors[1] << 8 | colors[2];
 		colors += 3;
 
-		write32(INTEL_DISPLAY_A_PALETTE + first * sizeof(uint32), color);
-		write32(INTEL_DISPLAY_B_PALETTE + first * sizeof(uint32), color);
+		bool isSNB = gInfo->shared_info->device_type.InGroup(INTEL_TYPE_SNB);
+		write32((isSNB ? PCH_DISPLAY_A_PALETTE : INTEL_DISPLAY_A_PALETTE)
+			+ first * sizeof(uint32), color);
+		write32((isSNB ? PCH_DISPLAY_B_PALETTE : INTEL_DISPLAY_B_PALETTE)
+			+ first * sizeof(uint32), color);
 	}
 }