diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 384835c..f0f095a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -86,8 +86,8 @@ jobs:
           CIBW_SKIP: cp36-* pp*
           CIBW_ENVIRONMENT: APPEND_VERSION=".post0" UWSGI_PROFILE=pyuwsginossl
           CIBW_TEST_COMMAND: "uwsgi --module foo --need-app --http :8080 || true"
-          CIBW_BEFORE_BUILD_MACOS: IS_MACOS=1 ./pre_build.sh
-          CIBW_BEFORE_BUILD_LINUX: ./pre_build.sh && (yum install -y zlib-devel || apk add zlib-dev)
+          CIBW_BEFORE_BUILD_MACOS: "make -C ${{ needs.build_sdist.outputs.sdist_name }} clean && IS_MACOS=1 ./pre_build.sh"
+          CIBW_BEFORE_BUILD_LINUX: "make -C ${{ needs.build_sdist.outputs.sdist_name }} clean && ./pre_build.sh && (yum install -y zlib-devel || apk add zlib-dev)"
           CIBW_BUILD_VERBOSITY_LINUX: "3"
 
       - uses: actions/upload-artifact@v3
diff --git a/pre_build.sh b/pre_build.sh
index f69c88c..1efba1e 100755
--- a/pre_build.sh
+++ b/pre_build.sh
@@ -107,6 +107,7 @@ function build_jansson {
 }
 
 function pre_build {
+    make -C uwsgi clean
     build_pcre
     #build_zlib
     build_jansson