diff --git a/src/openrct2-android/app/src/main/CMakeLists.txt b/src/openrct2-android/app/src/main/CMakeLists.txt
index bac4e35970..afaf4dabcc 100644
--- a/src/openrct2-android/app/src/main/CMakeLists.txt
+++ b/src/openrct2-android/app/src/main/CMakeLists.txt
@@ -209,9 +209,12 @@ set(COMMON_COMPILE_OPTIONS "${COMMON_COMPILE_OPTIONS} -fPIC")
 
 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--undefined=Java_org_libsdl_app_SDLActivity_nativeInit")
 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-undefined")
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++1z ${COMMON_COMPILE_OPTIONS} -Wnon-virtual-dtor")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++20 ${COMMON_COMPILE_OPTIONS} -Wnon-virtual-dtor")
 get_filename_component(ORCT2_ROOT "${CMAKE_SOURCE_DIR}/../../../../../" REALPATH)
 
+# Enable char8_t<->char conversion :(
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-char8_t -Wno-deprecated-declarations")
+
 list(APPEND CMAKE_MODULE_PATH "${ORCT2_ROOT}/cmake")
 
 find_package(CCache)