diff --git a/src/platform/sdl/gl-main.c b/src/platform/sdl/gl-main.c
index 42ef29f6c..8493f4462 100644
--- a/src/platform/sdl/gl-main.c
+++ b/src/platform/sdl/gl-main.c
@@ -139,7 +139,6 @@ static int _GBASDLInit(struct GLSoftwareRenderer* renderer) {
 	SDL_GL_CreateContext(renderer->window);
 	SDL_GetWindowSize(renderer->window, &renderer->viewportWidth, &renderer->viewportHeight);
 	renderer->events.window = renderer->window;
-	renderer->events.fullscreen = 0;
 #else
 #ifdef COLOR_16_BIT
 	SDL_SetVideoMode(renderer->viewportWidth, renderer->viewportHeight, 16, SDL_OPENGL);
diff --git a/src/platform/sdl/sw-main.c b/src/platform/sdl/sw-main.c
index ef9771296..bda2e25cf 100644
--- a/src/platform/sdl/sw-main.c
+++ b/src/platform/sdl/sw-main.c
@@ -67,10 +67,10 @@ int main(int argc, char** argv) {
 #if SDL_VERSION_ATLEAST(2, 0, 0)
 	renderer.viewportWidth = opts.width;
 	renderer.viewportHeight = opts.height;
+	renderer.events.fullscreen = opts.fullscreen;
 	renderer.window = SDL_CreateWindow("GBAc", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, renderer.viewportWidth, renderer.viewportHeight, SDL_WINDOW_OPENGL | (SDL_WINDOW_FULLSCREEN_DESKTOP * renderer.events.fullscreen));
 	SDL_GetWindowSize(renderer.window, &renderer.viewportWidth, &renderer.viewportHeight);
 	renderer.events.window = renderer.window;
-	renderer.events.fullscreen = 0;
 	renderer.sdlRenderer = SDL_CreateRenderer(renderer.window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
 #ifdef COLOR_16_BIT
 #ifdef COLOR_5_6_5