diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index caa2300..499bf74 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -69,6 +69,7 @@ jobs:
     - name: Configure CMake (Linux)
       if: matrix.os == 'ubuntu-latest'
       run: cmake
+        -S ${{github.workspace}}
         -B ${{github.workspace}}/build
         -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
         -DCMAKE_INSTALL_PREFIX=${{github.workspace}}/dist
@@ -76,6 +77,7 @@ jobs:
     - name: Configure CMake (macOS)
       if: matrix.os == 'macOS-latest'
       run: cmake
+        -S ${{github.workspace}}
         -B ${{github.workspace}}/build
         -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
         -DCMAKE_INSTALL_PREFIX=${{github.workspace}}/dist
@@ -85,6 +87,7 @@ jobs:
       if: matrix.os == 'windows-latest'
       run: cmake
         -G Ninja
+        -S ${{github.workspace}}
         -B ${{github.workspace}}/build
         -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
         -DCMAKE_INSTALL_PREFIX=${{github.workspace}}/dist