diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 6f81ee9e..a9ad2892 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -34,7 +34,7 @@ jobs:
       - name: test
         run: |
           cd build
-          make -j$(nproc) check
+          make KDIR=/usr/lib/modules/*/build -j$(nproc) check
 
       - name: install
         run: |
@@ -44,4 +44,4 @@ jobs:
       - name: distcheck
         run: |
           cd build
-          make distcheck
+          make KDIR=/usr/lib/modules/*/build distcheck