diff --git a/apps/playback.c b/apps/playback.c
index fb2b6eb1ef..567a7bb2da 100644
--- a/apps/playback.c
+++ b/apps/playback.c
@@ -58,8 +58,8 @@
 #include "pcm_mixer.h"
 #endif
 
-#ifdef SIMULATOR
-#include <strings.h>
+#if defined(SIMULATOR) || defined(SDLAPP)
+#include <strings.h>  /* For strncasecmp() */
 #endif
 
 /* TODO: The audio thread really is doing multitasking of acting like a