diff --git a/libs/vkd3d-shader/trace.c b/libs/vkd3d-shader/trace.c
index 78ec1c18..3b01b531 100644
--- a/libs/vkd3d-shader/trace.c
+++ b/libs/vkd3d-shader/trace.c
@@ -1771,7 +1771,7 @@ static void shader_dump_instruction(struct vkd3d_d3d_asm_compiler *compiler,
     shader_addline(buffer, "\n");
 }
 
-enum vkd3d_result vkd3d_dxbc_binary_to_text(void *data,
+enum vkd3d_result vkd3d_dxbc_binary_to_text(struct vkd3d_shader_parser *parser,
         const struct vkd3d_shader_compile_info *compile_info, struct vkd3d_shader_code *out)
 {
     enum vkd3d_shader_compile_option_formatting_flags formatting;
@@ -1831,17 +1831,17 @@ enum vkd3d_result vkd3d_dxbc_binary_to_text(void *data,
     vkd3d_string_buffer_init(buffer);
 
     shader_version = &compiler.shader_version;
-    shader_sm4_read_header(data, &ptr, shader_version);
+    shader_sm4_read_header(parser->data, &ptr, shader_version);
     vkd3d_string_buffer_printf(buffer, "%s%s_%u_%u%s\n", compiler.colours.version,
             shader_get_type_prefix(shader_version->type), shader_version->major,
             shader_version->minor, compiler.colours.reset);
 
     indent = 0;
-    while (!shader_sm4_is_end(data, &ptr))
+    while (!shader_sm4_is_end(parser->data, &ptr))
     {
         struct vkd3d_shader_instruction ins;
 
-        shader_sm4_read_instruction(data, &ptr, &ins);
+        shader_sm4_read_instruction(parser->data, &ptr, &ins);
         if (ins.handler_idx == VKD3DSIH_INVALID)
         {
             WARN("Skipping unrecognized instruction.\n");
@@ -1905,7 +1905,7 @@ void vkd3d_shader_trace(struct vkd3d_shader_parser *parser)
     const char *p, *q, *end;
     struct vkd3d_shader_code code;
 
-    if (vkd3d_dxbc_binary_to_text(parser->data, NULL, &code) != VKD3D_OK)
+    if (vkd3d_dxbc_binary_to_text(parser, NULL, &code) != VKD3D_OK)
         return;
 
     end = (const char *)code.code + code.size;
diff --git a/libs/vkd3d-shader/vkd3d_shader_main.c b/libs/vkd3d-shader/vkd3d_shader_main.c
index 0cfe1eaf..36c211e6 100644
--- a/libs/vkd3d-shader/vkd3d_shader_main.c
+++ b/libs/vkd3d-shader/vkd3d_shader_main.c
@@ -1051,7 +1051,7 @@ static int compile_dxbc_tpf(const struct vkd3d_shader_compile_info *compile_info
     if (compile_info->target_type == VKD3D_SHADER_TARGET_D3D_ASM)
     {
         vkd3d_shader_free_scan_descriptor_info(&scan_descriptor_info);
-        ret = vkd3d_dxbc_binary_to_text(parser.data, compile_info, out);
+        ret = vkd3d_dxbc_binary_to_text(&parser, compile_info, out);
         vkd3d_shader_parser_destroy(&parser);
         return ret;
     }
diff --git a/libs/vkd3d-shader/vkd3d_shader_private.h b/libs/vkd3d-shader/vkd3d_shader_private.h
index 6c40efa9..97c1999b 100644
--- a/libs/vkd3d-shader/vkd3d_shader_private.h
+++ b/libs/vkd3d-shader/vkd3d_shader_private.h
@@ -910,7 +910,7 @@ struct vkd3d_string_buffer_cache
     size_t count, max_count, capacity;
 };
 
-enum vkd3d_result vkd3d_dxbc_binary_to_text(void *data,
+enum vkd3d_result vkd3d_dxbc_binary_to_text(struct vkd3d_shader_parser *parser,
         const struct vkd3d_shader_compile_info *compile_info, struct vkd3d_shader_code *out);
 void vkd3d_string_buffer_cleanup(struct vkd3d_string_buffer *buffer);
 struct vkd3d_string_buffer *vkd3d_string_buffer_get(struct vkd3d_string_buffer_cache *list);