diff --git a/sound/pci/cs46xx/cs46xx_lib.h b/sound/pci/cs46xx/cs46xx_lib.h
index 4eb55aa33612..b5189495d58a 100644
--- a/sound/pci/cs46xx/cs46xx_lib.h
+++ b/sound/pci/cs46xx/cs46xx_lib.h
@@ -35,7 +35,7 @@
 
 
 #ifdef CONFIG_SND_CS46XX_NEW_DSP
-#define CS46XX_MIN_PERIOD_SIZE 1
+#define CS46XX_MIN_PERIOD_SIZE 64
 #define CS46XX_MAX_PERIOD_SIZE 1024*1024
 #else
 #define CS46XX_MIN_PERIOD_SIZE 2048