diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 038d6e7a1a..2c256b82b9 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -897,6 +897,7 @@ jobs:
               -DCMAKE_TOOLCHAIN_FILE="$VCPKG_INSTALLATION_ROOT/scripts/buildsystems/vcpkg.cmake" \
               -DVCPKG_INSTALLED_DIR="$VCPKG_INSTALLATION_ROOT/installed" \
               -DVCPKG_TARGET_TRIPLET='${{ matrix.arch }}-${{ matrix.plat }}' \
+              -DCMAKE_C_COMPILER_TARGET='${{ matrix.arch }}-${{ matrix.plat }}' \
               -DCMAKE_C_FLAGS="${cflags}" \
               -DCMAKE_EXE_LINKER_FLAGS="-INCREMENTAL:NO ${ldflags}" \
               -DCMAKE_SHARED_LINKER_FLAGS="-INCREMENTAL:NO ${ldflags}" \
diff --git a/tests/runtests.pl b/tests/runtests.pl
index 7ba2eb4284..a3c6c2d8b2 100755
--- a/tests/runtests.pl
+++ b/tests/runtests.pl
@@ -542,7 +542,7 @@ sub checksystemfeatures {
                 # system support LD_PRELOAD; may be disabled later
                 $feature{"ld_preload"} = 1;
             }
-            if($curl =~ /win32|Windows|mingw(32|64)/) {
+            if($curl =~ /win32|Windows|windows|mingw(32|64)/) {
                 # This is a Windows MinGW build or native build, we need to use
                 # Windows-style path.
                 $pwd = sys_native_current_path();