diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1435cfd..37a20f7 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -53,6 +53,7 @@ jobs:
       CARGO_BUILD_TARGET: ${{ matrix.target }}
       CARGO_TERM_COLOR: always
       MACOSX_DEPLOYMENT_TARGET: 10.12
+      PKG_CONFIG_SYSROOT_DIR: /
 
     steps:
       - name: checkout