diff --git a/Source/Core/VideoCommon/Src/PixelEngine.h b/Source/Core/VideoCommon/Src/PixelEngine.h
index 84b30a1bb5..9bbf277055 100644
--- a/Source/Core/VideoCommon/Src/PixelEngine.h
+++ b/Source/Core/VideoCommon/Src/PixelEngine.h
@@ -60,8 +60,8 @@ union UPEAlphaReadReg
 	u16 Hex;
 	struct
 	{
-		u16 ReadMode		: 3;
-		u16					: 13;
+		u16 ReadMode		: 2;
+		u16					: 14;
 	};
 };
 
diff --git a/Source/Plugins/Plugin_VideoDX11/Src/Render.cpp b/Source/Plugins/Plugin_VideoDX11/Src/Render.cpp
index af368790c8..191ff0b75b 100644
--- a/Source/Plugins/Plugin_VideoDX11/Src/Render.cpp
+++ b/Source/Plugins/Plugin_VideoDX11/Src/Render.cpp
@@ -603,7 +603,7 @@ u32 Renderer::AccessEFB(EFBAccessType type, u32 x, u32 y, u32 poke_data)
 
 		// check what to do with the alpha channel (GX_PokeAlphaRead)
 		PixelEngine::UPEAlphaReadReg alpha_read_mode;
-		PixelEngine::Read16((u16&)alpha_read_mode, PE_DSTALPHACONF);
+		PixelEngine::Read16((u16&)alpha_read_mode, PE_ALPHAREAD);
 
 		if (bpmem.zcontrol.pixel_format == PIXELFMT_RGBA6_Z24)
 		{
diff --git a/Source/Plugins/Plugin_VideoDX9/Src/Render.cpp b/Source/Plugins/Plugin_VideoDX9/Src/Render.cpp
index bd8f554e2e..f7e633dfd4 100644
--- a/Source/Plugins/Plugin_VideoDX9/Src/Render.cpp
+++ b/Source/Plugins/Plugin_VideoDX9/Src/Render.cpp
@@ -691,7 +691,7 @@ u32 Renderer::AccessEFB(EFBAccessType type, u32 x, u32 y, u32 poke_data)
 
 		// check what to do with the alpha channel (GX_PokeAlphaRead)
 		PixelEngine::UPEAlphaReadReg alpha_read_mode;
-		PixelEngine::Read16((u16&)alpha_read_mode, PE_DSTALPHACONF);
+		PixelEngine::Read16((u16&)alpha_read_mode, PE_ALPHAREAD);
 		if (bpmem.zcontrol.pixel_format == PIXELFMT_RGBA6_Z24)
 		{
 			ret = RGBA8ToRGBA6ToRGBA8(ret);
diff --git a/Source/Plugins/Plugin_VideoOGL/Src/Render.cpp b/Source/Plugins/Plugin_VideoOGL/Src/Render.cpp
index 8df0f91692..2448e9a925 100644
--- a/Source/Plugins/Plugin_VideoOGL/Src/Render.cpp
+++ b/Source/Plugins/Plugin_VideoOGL/Src/Render.cpp
@@ -759,7 +759,7 @@ u32 Renderer::AccessEFB(EFBAccessType type, u32 x, u32 y, u32 poke_data)
 
 			// check what to do with the alpha channel (GX_PokeAlphaRead)
 			PixelEngine::UPEAlphaReadReg alpha_read_mode;
-			PixelEngine::Read16((u16&)alpha_read_mode, PE_DSTALPHACONF);
+			PixelEngine::Read16((u16&)alpha_read_mode, PE_ALPHAREAD);
 
 			if (bpmem.zcontrol.pixel_format == PIXELFMT_RGBA6_Z24)
 			{