diff --git a/CHANGES b/CHANGES
index ad4dd9378..41419ef4c 100644
--- a/CHANGES
+++ b/CHANGES
@@ -11,6 +11,7 @@ Misc:
  - GBA Memory: Use a dynamically sized mask for ROM memory
  - Qt: Remove useless help icons in dialogs
  - ARM7: Combine shifter-immediate and shifter-register functions to reduce binary size
+ - SDL: Support fullscreen in SDL 1.2
 
 0.3.0: (2015-08-16)
 Features:
diff --git a/src/platform/sdl/gl-common.c b/src/platform/sdl/gl-common.c
index 30158653d..9cb330c41 100644
--- a/src/platform/sdl/gl-common.c
+++ b/src/platform/sdl/gl-common.c
@@ -39,9 +39,9 @@ void GBASDLGLCommonInit(struct SDLSoftwareRenderer* renderer) {
 #else
 	SDL_GL_SetAttribute(SDL_GL_SWAP_CONTROL, 1);
 #ifdef COLOR_16_BIT
-	SDL_SetVideoMode(renderer->viewportWidth, renderer->viewportHeight, 16, SDL_OPENGL);
+	SDL_SetVideoMode(renderer->viewportWidth, renderer->viewportHeight, 16, SDL_OPENGL | (SDL_FULLSCREEN * renderer->fullscreen));
 #else
-	SDL_SetVideoMode(renderer->viewportWidth, renderer->viewportHeight, 32, SDL_OPENGL);
+	SDL_SetVideoMode(renderer->viewportWidth, renderer->viewportHeight, 32, SDL_OPENGL | (SDL_FULLSCREEN * renderer->fullscreen));
 #endif
 #endif
 }
diff --git a/src/platform/sdl/main.c b/src/platform/sdl/main.c
index 78dda4706..292130f04 100644
--- a/src/platform/sdl/main.c
+++ b/src/platform/sdl/main.c
@@ -75,6 +75,8 @@ int main(int argc, char** argv) {
 #if SDL_VERSION_ATLEAST(2, 0, 0)
 	renderer.player.fullscreen = opts.fullscreen;
 	renderer.player.windowUpdated = 0;
+#else
+	renderer.fullscreen = opts.fullscreen;
 #endif
 	renderer.ratio = graphicsOpts.multiplier;
 	if (renderer.ratio == 0) {
diff --git a/src/platform/sdl/main.h b/src/platform/sdl/main.h
index 66ae8c75c..3cc362407 100644
--- a/src/platform/sdl/main.h
+++ b/src/platform/sdl/main.h
@@ -49,6 +49,8 @@ struct SDLSoftwareRenderer {
 	SDL_Texture* sdlTex;
 	SDL_Renderer* sdlRenderer;
 	SDL_GLContext* glCtx;
+#else
+	bool fullscreen;
 #endif
 
 	int viewportWidth;