diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 12dd6eca..f9ef892d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -150,10 +150,12 @@ jobs:
           cd /opt/llvm/src
           git checkout llvmorg-17.0.6
           cd /opt/llvm/build
-          emcmake cmake ../src/ \
+          emcmake cmake ../src/clang \
             -DLLVM_ENABLE_PROJECTS="clang" \
             -DCMAKE_INSTALL_PREFIX=/custom_sysroot
+
           emmake make -j2
+          emmake make -j2 install
 
       - name: "install xeus"
         run: |