diff --git a/sound/321906__bruce965__walkie-talkie-roger-beep.ogg b/sound/321906__bruce965__walkie-talkie-roger-beep.ogg
new file mode 100644
index 0000000..933b4b7
Binary files /dev/null and b/sound/321906__bruce965__walkie-talkie-roger-beep.ogg differ
diff --git a/src/battle/messageBox.c b/src/battle/messageBox.c
index 3a9d830..c6f93d5 100644
--- a/src/battle/messageBox.c
+++ b/src/battle/messageBox.c
@@ -34,6 +34,11 @@ void addMessageBox(char *title, char *body)
 	MessageBox *msg;
 	float time;
 	
+	if (tail == &head)
+	{
+		playSound(SND_RADIO);
+	}
+	
 	msg = malloc(sizeof(MessageBox));
 	memset(msg, 0, sizeof(MessageBox));
 	tail->next = msg;
@@ -49,10 +54,9 @@ void addMessageBox(char *title, char *body)
 
 void doMessageBox(void)
 {
-	MessageBox *msg, *prev;
+	MessageBox *msg;
 	
 	msg = head.next;
-	prev = &head;
 	
 	if (msg)
 	{
@@ -60,15 +64,18 @@ void doMessageBox(void)
 		{
 			if (msg == tail)
 			{
-				tail = prev;
+				tail = &head;
 			}
 			
-			prev->next = msg->next;
+			head.next = msg->next;
 			free(msg);
-			msg = prev;
+			msg = &head;
+			
+			if (head.next)
+			{
+				playSound(SND_RADIO);
+			}
 		}
-		
-		prev = msg;
 	}
 }
 
diff --git a/src/battle/messageBox.h b/src/battle/messageBox.h
index c8066e2..9bcd593 100644
--- a/src/battle/messageBox.h
+++ b/src/battle/messageBox.h
@@ -25,6 +25,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 extern void drawText(int x, int y, int size, int align, SDL_Color c, const char *format, ...);
 extern void limitTextWidth(int width);
+extern void playSound(int sound);
 
 extern App app;
 extern Colors colors;
diff --git a/src/defs.h b/src/defs.h
index 36bccaa..83a620f 100644
--- a/src/defs.h
+++ b/src/defs.h
@@ -167,6 +167,7 @@ enum
 	SND_MISSILE,
 	SND_INCOMING,
 	SND_BOOST,
+	SND_RADIO,
 	SND_GUI_CLICK,
 	SND_GUI_SELECT,
 	SND_GUI_CLOSE,
diff --git a/src/system/sound.c b/src/system/sound.c
index 75e6993..d52f9cf 100644
--- a/src/system/sound.c
+++ b/src/system/sound.c
@@ -101,6 +101,7 @@ static void loadSounds(void)
 	sounds[SND_MISSILE] = Mix_LoadWAV("sound/65787__iwilldstroyu__laserrocket.ogg");
 	sounds[SND_BOOST] = Mix_LoadWAV("sound/18380__inferno__hvrl.ogg");
 	/*sounds[SND_ECM] = Mix_LoadWAV("sound/18380__inferno__hvrl.ogg");*/
+	sounds[SND_RADIO] = Mix_LoadWAV("sound/321906__bruce965__walkie-talkie-roger-beep.ogg");
 	sounds[SND_INCOMING] = Mix_LoadWAV("sound/242856__plasterbrain__nuclear-alarm.ogg");
 	sounds[SND_GET_ITEM] = Mix_LoadWAV("sound/88275__s-dij__gbc-reload-06.ogg");
 	sounds[SND_EXPLOSION_1] = Mix_LoadWAV("sound/162265__qubodup__explosive.ogg");