diff --git a/src/mame/machine/atarigen.c b/src/mame/machine/atarigen.c
index d561536e90b..95b84b563f4 100644
--- a/src/mame/machine/atarigen.c
+++ b/src/mame/machine/atarigen.c
@@ -25,7 +25,7 @@
 ***************************************************************************/
 
 #define SOUND_TIMER_RATE            attotime::from_usec(5)
-#define SOUND_TIMER_BOOST           attotime::from_usec(100)
+#define SOUND_TIMER_BOOST           attotime::from_usec(1000)