diff --git a/src/Environment.cpp b/src/Environment.cpp
index 20c8333..d34b0f3 100644
--- a/src/Environment.cpp
+++ b/src/Environment.cpp
@@ -28,7 +28,7 @@ SDL_Window* Environment::window = nullptr;
 #ifdef EMSCRIPTEN
 bool Environment::isFullscreen = false;
 #else
-bool Environment::isFullscreen = false;
+bool Environment::isFullscreen = true;
 #endif
 
 bool Environment::isHighDPIEnabled = false;
diff --git a/src/main.cpp b/src/main.cpp
index 5217e0a..eeb2600 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -274,10 +274,10 @@ int main(int argc, char *argv[]) {
 
         Uint32 windowFlags = SDL_WINDOW_OPENGL | SDL_WINDOW_SHOWN | SDL_WINDOW_ALLOW_HIGHDPI | SDL_WINDOW_RESIZABLE;
         if (ZL::Environment::isFullscreen) {
-        //    windowFlags |= SDL_WINDOW_FULLSCREEN_DESKTOP;
+            windowFlags |= SDL_WINDOW_FULLSCREEN_DESKTOP;
         }
         
-        ZL::Environment::isFullscreen = false;
+        //ZL::Environment::isFullscreen = false;
 
         SDL_DisplayMode dm;
         if (SDL_GetCurrentDisplayMode(0, &dm) == 0) {