diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 8d76ad9..88b859d 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -49,7 +49,7 @@ jobs:
         Boost_INCLUDE_DIR: ${{runner.temp}}\boost_1_83_0\libs\headers
       run: |
         mkdir -p build
-        cmake -S . -B build -DBoost_USE_STATIC_LIBS=ON
+        cmake -S . -B build -DBoost_USE_STATIC_LIBS=ON -DCMAKE_PREFIX_PATH=${{runner.temp}}\boost_1_83_0
         cmake --build build --config Release
 
     - name: Test libftp