diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ab89c28..b4c2d07 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -9,7 +9,6 @@ jobs:
 
   build-windows:
     runs-on: windows-latest
-    compiler: clang
     steps:
       - uses: actions/checkout@v2
         with:
@@ -20,7 +19,7 @@ jobs:
           args: install llvm
       - name: add clang path to $PATH env
         shell: bash
-        run: echo "PATH=$PATH:C:\msys64\mingw64\bin" >> $GITHUB_ENV
+        run: echo "PATH=$PATH:C:\msys64\mingw32\bin" >> $GITHUB_ENV
       - name: build
         shell: bash
         run: cargo build --workspace --verbose
diff --git a/leechcore-sys/build.rs b/leechcore-sys/build.rs
index 3ee2e5b..8c8d32f 100644
--- a/leechcore-sys/build.rs
+++ b/leechcore-sys/build.rs
@@ -16,6 +16,11 @@ fn os_define() -> &'static str {
     "LINUX"
 }
 
+#[cfg(target_os = "macos")]
+fn os_define() -> &'static str {
+    "LINUX"
+}
+
 fn build_leechcore(target: &str) {
     let mut files = vec![
         "oscompatibility.c",