diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index eae9ee3..c97f96c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -7,14 +7,14 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest]
+        os: [ubuntu-latest, macos-latest, windows-latest]
     steps:
-    - uses: actions/checkout@v2
-      name: Checkout
-    - name: Build & Test
-      uses: ashutoshvarma/action-cmake-build@master
-      with:
-        build-dir: ${{ runner.workspace }}/build
-        build-type: Release
-        configure-options: -DCMAKE_CXX_FLAGS="-std=c++17"
-        run-test: true
+      - uses: actions/checkout@v2
+        name: Checkout
+      - name: Build & Test
+        uses: ashutoshvarma/action-cmake-build@master
+        with:
+          build-dir: ${{ runner.workspace }}/build
+          build-type: Release
+          configure-options: -DCMAKE_CXX_FLAGS="-std=c++17"
+          run-test: true
diff --git a/include/peelo/xdg.hpp b/include/peelo/xdg.hpp
index 29f88c6..5e19f49 100644
--- a/include/peelo/xdg.hpp
+++ b/include/peelo/xdg.hpp
@@ -99,7 +99,7 @@ namespace peelo::xdg
 
         if (homedrive && *homedrive && homepath && *homepath)
         {
-          return std::filesystem::path(homedrive) / homepath;
+          return T(homedrive) / homepath;
         }
       } else {
         return userprofile;
diff --git a/test/test_multiple_paths.cpp b/test/test_multiple_paths.cpp
index 7c5e007..ddcd173 100644
--- a/test/test_multiple_paths.cpp
+++ b/test/test_multiple_paths.cpp
@@ -2,6 +2,10 @@
 #include <cstdlib>
 #include <functional>
 
+#if defined(_WIN32)
+# include <windows.h>
+#endif
+
 #include <peelo/xdg.hpp>
 
 using callback_type = std::function<std::vector<std::filesystem::path>()>;
@@ -9,22 +13,18 @@ using callback_type = std::function<std::vector<std::filesystem::path>()>;
 static void
 test_callback(
   const callback_type& callback,
-  const char* env_variable_name
+  const std::string& env_variable_name
 )
 {
   using peelo::xdg::internal::path_separator;
-
-  unsetenv(env_variable_name);
-  setenv(
-    env_variable_name,
-    (
-      std::string("/xdg") +
-      path_separator +
-      path_separator +
-      "/xdg/xdg"
-    ).c_str(),
-    1
-  );
+  const auto value = std::string("/xdg") + path_separator + path_separator + "/xdg/xdg";
+
+#if defined(_WIN32)
+  _putenv((env_variable_name + "=" + value).c_str());
+#else
+  unsetenv(env_variable_name.c_str());
+  setenv(env_variable_name.c_str(), value.c_str(), 1);
+#endif
 
   const auto result = callback();
 
diff --git a/test/test_single_paths.cpp b/test/test_single_paths.cpp
index 84b3aa0..c82fb86 100644
--- a/test/test_single_paths.cpp
+++ b/test/test_single_paths.cpp
@@ -3,6 +3,10 @@
 #include <cstring>
 #include <functional>
 
+#if defined(_WIN32)
+# include <windows.h>
+#endif
+
 #include <peelo/xdg.hpp>
 
 using std::filesystem::path;
@@ -14,10 +18,14 @@ using callback_type = std::function<std::optional<std::filesystem::path>()>;
 static void
 test_with_env_variable(
   const callback_type& callback,
-  const char* env_variable_name
+  const std::string& env_variable_name
 )
 {
-  setenv(env_variable_name, "xdg/test", 1);
+#if defined(_WIN32)
+  _putenv((env_variable_name + "=" + "xdg\\test").c_str());
+#else
+  setenv(env_variable_name.c_str(), "xdg/test", 1);
+#endif
 
   const auto result = callback();
 
@@ -28,12 +36,17 @@ test_with_env_variable(
 static void
 test_without_env_variable(
   const callback_type& callback,
-  const char* env_variable_name,
+  const std::string& env_variable_name,
   const optional<path>& expected_result
 )
 {
-  unsetenv(env_variable_name);
+#if defined(_WIN32)
+  _putenv((env_variable_name + "=").c_str());
+  _putenv("HOME=xdg");
+#else
+  unsetenv(env_variable_name.c_str());
   setenv("HOME", "xdg", 1);
+#endif
 
   const auto result = callback();
 
@@ -49,7 +62,7 @@ test_without_env_variable(
 static void
 test_callback(
   const callback_type& callback,
-  const char* env_variable_name,
+  const std::string& env_variable_name,
   const optional<path>& expected_result_without_env_var = nullopt
 )
 {