diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c1251f9..976e6a1 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -73,4 +73,4 @@ jobs:
           cp ../env/asusctl ./debian -Rv
           sudo apt update && sudo apt build-dep .
       - run: |
-          cd src && export PKG_CONFIG_PATH=/usr/lib/$(arch)-linux-gnu/pkgconfig && sudo dpkg-buildpackage -b -us -uc
+          cd src && export PKG_CONFIG_PATH=/usr/lib/x86_64-linux-gnu/pkgconfig && sudo dpkg-buildpackage -b -us -uc
diff --git a/asusctl/rules b/asusctl/rules
index f671b38..1ba4023 100755
--- a/asusctl/rules
+++ b/asusctl/rules
@@ -16,7 +16,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-export PKG_CONFIG_PATH=/usr/lib/$(arch)-linux-gnu/pkgconfig
+export PKG_CONFIG_PATH=/usr/lib/x86_64-linux-gnu/pkgconfig
 
 ifeq ("$(origin VERBOSE)", "command line")
   BUILD_VERBOSE = $(VERBOSE)
@@ -32,4 +32,4 @@ else
 endif
 
 %:
-	$(Q)export PKG_CONFIG_PATH=/usr/lib/$(arch)-linux-gnu/pkgconfig && dh $@
+	$(Q)export PKG_CONFIG_PATH=/usr/lib/x86_64-linux-gnu/pkgconfig && dh $@