diff --git a/rpcs3/Emu/RSX/gcm_enums.cpp b/rpcs3/Emu/RSX/gcm_enums.cpp
index d0f3191157..e0319adfbd 100644
--- a/rpcs3/Emu/RSX/gcm_enums.cpp
+++ b/rpcs3/Emu/RSX/gcm_enums.cpp
@@ -5,6 +5,7 @@ rsx::vertex_base_type rsx::to_vertex_base_type(u8 in)
 {
 	switch (in)
 	{
+	case 0: return rsx::vertex_base_type::ub256;
 	case 1: return rsx::vertex_base_type::s1;
 	case 2: return rsx::vertex_base_type::f;
 	case 3: return rsx::vertex_base_type::sf;
diff --git a/rpcs3/Emu/RSX/rsx_decode.h b/rpcs3/Emu/RSX/rsx_decode.h
index f1204049b7..954dd31cf5 100644
--- a/rpcs3/Emu/RSX/rsx_decode.h
+++ b/rpcs3/Emu/RSX/rsx_decode.h
@@ -4598,7 +4598,7 @@ struct vertex_array_helper
 		union
 		{
 			u32 raw_value;
-			bitfield_decoder_t<0, 4> type;
+			bitfield_decoder_t<0, 3> type;
 			bitfield_decoder_t<4, 4> size;
 			bitfield_decoder_t<8, 8> stride;
 			bitfield_decoder_t<16, 16> frequency;