diff --git a/.github/workflows/cibuildwheel.yml b/.github/workflows/cibuildwheel.yml
index 60a6219..6075111 100644
--- a/.github/workflows/cibuildwheel.yml
+++ b/.github/workflows/cibuildwheel.yml
@@ -48,11 +48,11 @@ jobs:
             C:\vcpkg\vcpkg.exe install openblas:x64-windows
           CIBW_ENVIRONMENT_WINDOWS: |
             EASYSBA_LAPACK_LIBS=openblas
-            EASYSBA_INCLUDE_DIRS=C:\\vcpkg\\installed\\x64-windows\\include
-            EASYSBA_LIBRARY_DIRS=C:\\vcpkg\\installed\\x64-windows\\lib
-            INCLUDE=C:\\vcpkg\\installed\\x64-windows\\include
-            LIB=C:\\vcpkg\\installed\\x64-windows\\lib
-            PATH=C:\\vcpkg\\installed\\x64-windows\\bin;{PATH}
+            EASYSBA_INCLUDE_DIRS=C:/vcpkg/installed/x64-windows/include
+            EASYSBA_LIBRARY_DIRS=C:/vcpkg/installed/x64-windows/lib
+            INCLUDE=C:/vcpkg/installed/x64-windows/include
+            LIB=C:/vcpkg/installed/x64-windows/lib
+            PATH=C:/vcpkg/installed/x64-windows/bin;{PATH}
         run: python -m cibuildwheel --output-dir wheelhouse
 
       - name: Upload wheels