diff --git a/.gitattributes b/.gitattributes
index 66e6098..89d0169 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,6 +1,7 @@
 fw/project/lcmxo2/*.sty linguist-generated
 fw/rtl/vendor/** -linguist-vendored
 fw/rtl/vendor/lcmxo2/generated/* linguist-generated
+hw/pcb/*.html linguist-generated
 sw/bootloader/src/fatfs/* linguist-vendored
 sw/bootloader/src/fatfs/diskio.c -linguist-vendored
 sw/controller/inc/* linguist-vendored