diff --git a/CMakeLists.txt b/CMakeLists.txt
index cbc3450a..27aa9610 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,7 @@
 cmake_minimum_required(VERSION 3.13)
 
-project(magicseteditor VERSION 2.2.2)
+project(magicseteditor VERSION 2.3.0)
+add_definitions(-DUNOFFICIAL_BUILD)
 
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED True)
diff --git a/src/util/version.cpp b/src/util/version.cpp
index 319f26b2..0aebbcab 100644
--- a/src/util/version.cpp
+++ b/src/util/version.cpp
@@ -51,11 +51,14 @@ template <> void GetDefaultMember::handle(const Version& v) {
 // ----------------------------------------------------------------------------- : Versions
 
 // NOTE: Don't use leading zeroes, they mean octal
-const Version app_version  = 10000 * MSE_VERSION_MAJOR + 100 * MSE_VERSION_MINOR + MSE_VERSION_PATCH;
-#ifdef UNICODE
-const Char* version_suffix = _("");
-#else
-const Char* version_suffix = _(" (ascii build)");
+const Version app_version  = 10000 * MSE_VERSION_MAJOR + 100 * MSE_VERSION_MINOR + MSE_VERSION_PATCH;
+
+#if defined UNOFFICIAL_BUILD
+const Char* version_suffix = _(" (Unofficial)");
+#elif defined UNICODE
+const Char* version_suffix = _("");
+#else
+const Char* version_suffix = _(" (ascii build)");
 #endif
 
 /// Which version of MSE are the files we write out compatible with?