diff --git a/src/platform/sdl/gl-common.c b/src/platform/sdl/gl-common.c
index 4a6b1349a..30158653d 100644
--- a/src/platform/sdl/gl-common.c
+++ b/src/platform/sdl/gl-common.c
@@ -10,6 +10,7 @@ void GBASDLGLCommonSwap(struct VideoBackend* context) {
 #if SDL_VERSION_ATLEAST(2, 0, 0)
 	SDL_GL_SwapWindow(renderer->window);
 #else
+	UNUSED(renderer);
 	SDL_GL_SwapBuffers();
 #endif
 }
diff --git a/src/platform/sdl/gles2-sdl.c b/src/platform/sdl/gles2-sdl.c
index 2007a723a..a3a617471 100644
--- a/src/platform/sdl/gles2-sdl.c
+++ b/src/platform/sdl/gles2-sdl.c
@@ -7,6 +7,8 @@
 
 #include "gl-common.h"
 
+#include <malloc.h>
+
 static bool GBASDLGLES2Init(struct SDLSoftwareRenderer* renderer);
 static void GBASDLGLES2Runloop(struct GBAThread* context, struct SDLSoftwareRenderer* renderer);
 static void GBASDLGLES2Deinit(struct SDLSoftwareRenderer* renderer);