diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 78798f518..53b43f9c6 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,5 +1,9 @@
 D2X-Rebirth Changelog
 
+20100325
+--------
+main/titles.c: Make sure got_z is not reset to 0 for Descent 1 missions - fixing crash, also make sure briefing hum is not played through more than one channel
+
 20100324
 --------
 arch/include/event.h, arch/include/mouse.h, arch/sdl/mouse.c, main/kconfig.c, main/movie.c, main/newmenu.c, main/titles.c: Add EVENT_MOUSE_BUTTON_DOWN and EVENT_MOUSE_BUTTON_UP, use for all windows except game and editor. Fixes crash on iMac G5 when pressing keys to progress through briefing
diff --git a/main/titles.c b/main/titles.c
index a87293abf..65c1b1782 100644
--- a/main/titles.c
+++ b/main/titles.c
@@ -1221,6 +1221,7 @@ int new_briefing_screen(briefing *br, int first)
 	int i;
 
 	br->new_screen = 0;
+	br->got_z = 0;
 	
 	if (EMULATING_D1)
 	{
@@ -1261,8 +1262,7 @@ int new_briefing_screen(briefing *br, int first)
 	if (br->message==NULL)
 		return 0;
 	
-	br->got_z = 0;
-	br->hum_channel = br->printing_channel = -1;
+	br->printing_channel = -1;
 	Current_color = 0;
 	br->streamcount = 0;
 	br->tab_stop = 0;
@@ -1280,7 +1280,8 @@ int new_briefing_screen(briefing *br, int first)
 	br->prev_ch = -1;
 	
 #ifndef SHAREWARE
-	br->hum_channel  = digi_start_sound( digi_xlat_sound(SOUND_BRIEFING_HUM), F1_0/2, 0xFFFF/2, 1, -1, -1, -1 );
+	if (br->hum_channel == -1)
+		br->hum_channel  = digi_start_sound( digi_xlat_sound(SOUND_BRIEFING_HUM), F1_0/2, 0xFFFF/2, 1, -1, -1, -1 );
 #endif
 	
 	return 1;