diff --git a/.github/workflows/regression.yml b/.github/workflows/regression.yml
index 1cdd80a2..7058269e 100644
--- a/.github/workflows/regression.yml
+++ b/.github/workflows/regression.yml
@@ -41,7 +41,7 @@ jobs:
          export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
          cd ${{ github.workspace }}/coriolis-2.x/src/yosys
          make ENABLE_PYOSYS=1 config-gcc
-         make ENABLE_PYOSYS=1 DESTDIR=${{ github.workspace }}/coriolis-2.x/Linux.x86_64/Release.Shared/install install
+         make ENABLE_PYOSYS=1 PREFIX=install DESTDIR=${{ github.workspace }}/coriolis-2.x/Linux.x86_64/Release.Shared install
      - name: Check for binaries
        run: ls ${{ github.workspace }}/coriolis-2.x/Linux.x86_64/Release.Shared/install/bin
      - name: Build Alliance