diff --git a/.github/workflows/release_pyton_pytest.yml b/.github/workflows/release_pyton_pytest.yml
index 3d9290c..75feab4 100644
--- a/.github/workflows/release_pyton_pytest.yml
+++ b/.github/workflows/release_pyton_pytest.yml
@@ -38,6 +38,9 @@ jobs:
             target: ppc64le
     steps:
       - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.10'
       - uses: graalvm/setup-graalvm@v1.2.1
         with:
           java-version: '22'
@@ -49,9 +52,6 @@ jobs:
           echo "JAVA_HOME: $JAVA_HOME"
           java --version
           native-image --version
-      - uses: actions/setup-python@v5
-        with:
-          python-version: '3.10'
       - name: Build wheels
         uses: PyO3/maturin-action@v1
         with:
diff --git a/extract-core/build.rs b/extract-core/build.rs
index 97f713b..3eb342d 100644
--- a/extract-core/build.rs
+++ b/extract-core/build.rs
@@ -19,7 +19,7 @@ fn main() {
     check_graalvm(&target_os);
 
     // Just for debugging
-    let graal_home = env::var_os("GRAALVM_HOME");
+    let graal_home = env::var("GRAALVM_HOME");
     let java_home = env::var("JAVA_HOME");
 
     println!("cargo:warning=GRAALVM_HOME: {:?}", graal_home);