diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index af4ac0c0..81b98804 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -22,5 +22,7 @@ jobs:
         run: make -C test
       - name: Check if machine.c can be compiled for all machines
         run: make machine_check
-      - name: Make project
+      - name: Make project (4x2/RTL8372)
         run: make CI=1 MACHINE="KP_9000_6XHML_X2"
+      - name: Make project (8x1/RTL8373)
+        run: make CI=1 MACHINE="KP_9000_9XHML_X_V3_1"