diff --git a/libs/vkd3d-shader/d3dbc.c b/libs/vkd3d-shader/d3dbc.c
index 37683378..a41182e1 100644
--- a/libs/vkd3d-shader/d3dbc.c
+++ b/libs/vkd3d-shader/d3dbc.c
@@ -1865,8 +1865,8 @@ void write_sm1_uniforms(struct hlsl_ctx *ctx, struct vkd3d_bytecode_buffer *buff
 
 static uint32_t sm1_encode_register_type(enum vkd3d_shader_register_type type)
 {
-    return ((type << D3DSP_REGTYPE_SHIFT) & D3DSP_REGTYPE_MASK)
-            | ((type << D3DSP_REGTYPE_SHIFT2) & D3DSP_REGTYPE_MASK2);
+    return ((type << VKD3D_SM1_REGISTER_TYPE_SHIFT) & VKD3D_SM1_REGISTER_TYPE_MASK)
+            | ((type << VKD3D_SM1_REGISTER_TYPE_SHIFT2) & VKD3D_SM1_REGISTER_TYPE_MASK2);
 }
 
 struct sm1_instruction