diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 58c40e995..dc77bf696 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -73,13 +73,14 @@ jobs:
           sudo apt-get install -y mingw-w64
       - name: Compile dependencies
         run: |
+          old_pwd=$PWD
           cd /tmp
           wget https://github.com/libexpat/libexpat/releases/download/R_2_5_0/expat-2.5.0.tar.bz2
           tar xjf expat-2.5.0.tar.bz2
           cd expat-2.5.0
           mkdir build
           cd build
-          cmake -DCMAKE_C_COMPILER=/usr/bin/i686-w64-mingw32-gcc -DCMAKE_CXX_COMPILER=/usr/bin/i686-w64-mingw32-g++ -DCMAKE_INSTALL_PREFIX=/usr/i686-w64-mingw32/ ..
+          cmake -DCMAKE_TOOLCHAIN_FILE=$old_pwd/cmake/toolchains/Ubuntu-MinGW-W64-${{matrix.compiler.bits}}.cmake -DCMAKE_INSTALL_PREFIX=/usr/i686-w64-mingw32/ ..
           make
           sudo make install
           cd ../..