diff --git a/test/testmultiaudio.c b/test/testmultiaudio.c
index f0f1ce1c7..019107faf 100644
--- a/test/testmultiaudio.c
+++ b/test/testmultiaudio.c
@@ -11,6 +11,8 @@
 */
 #include "SDL.h"
 
+#include <stdio.h> /* for fflush() and stdout */
+
 static SDL_AudioSpec spec;
 static Uint8 *sound = NULL;     /* Pointer to wave data */
 static Uint32 soundlen = 0;     /* Length of wave data */