diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d7ccd27..3ebf5c3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,6 +7,9 @@ env:
   GODOT_BASE_BRANCH: master
   # Used to select the version of Redot to run the tests with.
   REDOT_TEST_VERSION: 4.3.1-alpha.1
+  # Use UTF-8 on Linux.
+  LANG: en_US.UTF-8
+  LC_ALL: en_US.UTF-8
 
 concurrency:
   group: ci-${{ github.actor }}-${{ github.head_ref || github.run_number }}-${{ github.ref }}
@@ -21,7 +24,7 @@ jobs:
       matrix:
         include:
           - name: 🐧 Linux (GCC)
-            os: ubuntu-20.04
+            os: ubuntu-22.04
             platform: linux
             artifact-name: redot-cpp-linux-glibc2.27-x86_64-release
             artifact-path: bin/libredot-cpp.linux.template_release.x86_64.a
@@ -29,7 +32,7 @@ jobs:
             cache-name: linux-x86_64
 
           - name: 🐧 Linux (GCC, Double Precision)
-            os: ubuntu-20.04
+            os: ubuntu-22.04
             platform: linux
             artifact-name: redot-cpp-linux-glibc2.27-x86_64-double-release
             artifact-path: bin/libredot-cpp.linux.template_release.double.x86_64.a
@@ -64,7 +67,7 @@ jobs:
             cache-name: macos-universal
 
           - name: 🤖 Android (arm64)
-            os: ubuntu-20.04
+            os: ubuntu-22.04
             platform: android
             artifact-name: redot-cpp-android-arm64-release
             artifact-path: bin/libredot-cpp.android.template_release.arm64.a
@@ -82,7 +85,7 @@ jobs:
             cache-name: ios-arm64
 
           - name: 🌐 Web (wasm32)
-            os: ubuntu-20.04
+            os: ubuntu-22.04
             platform: web
             artifact-name: redot-cpp-web-wasm32-release
             artifact-path: bin/libredot-cpp.web.template_release.wasm32.a
@@ -183,7 +186,7 @@ jobs:
 
   linux-cmake:
     name: 🐧 Build (Linux, GCC, CMake)
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -207,7 +210,7 @@ jobs:
 
   linux-cmake-ninja:
     name: 🐧 Build (Linux, GCC, CMake Ninja)
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout
         uses: actions/checkout@v4
diff --git a/include/godot_cpp/classes/wrapped.hpp b/include/godot_cpp/classes/wrapped.hpp
index f53b7e8..2c64bfb 100644
--- a/include/godot_cpp/classes/wrapped.hpp
+++ b/include/godot_cpp/classes/wrapped.hpp
@@ -262,7 +262,7 @@ public:
 	}                                                                                                                                                                                  \
                                                                                                                                                                                        \
 	static const ::godot::StringName &get_class_static() {                                                                                                                             \
-		static const ::godot::StringName string_name = ::godot::StringName(#m_class);                                                                                                  \
+		static const ::godot::StringName string_name = ::godot::StringName(U## #m_class);                                                                                              \
 		return string_name;                                                                                                                                                            \
 	}                                                                                                                                                                                  \
                                                                                                                                                                                        \
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 0e3291b..7c2e984 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -38,6 +38,7 @@ if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
 	# using Visual Studio C++
 	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} /WX") # /GF /MP
 	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} /DTYPED_METHOD_BIND")
+	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} /utf-8")
 
 	if(CMAKE_BUILD_TYPE MATCHES Debug)
 		set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} /MDd") # /Od /RTC1 /Zi