diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8b019ef..b2c5972 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -123,7 +123,6 @@ else()
     add_compile_definitions(GPIO_VID_BASE=${VIDEO_PIN})
     set(VIDEO_SRC src/video_vga.c)
 
-    pico_generate_pio_header(firmware ${CMAKE_CURRENT_LIST_DIR}/src/pio_video.pio)
 
 endif()
 
@@ -179,6 +178,10 @@ if (TARGET tinyusb_device)
     ${CMAKE_CURRENT_LIST_DIR}
     )
 
+  if (NOT USE_HSTX)
+    pico_generate_pio_header(firmware ${CMAKE_CURRENT_LIST_DIR}/src/pio_video.pio)
+  endif()
+
   pico_enable_stdio_uart(firmware 1)
 
   # Needed for UF2: