diff --git a/sound/isa/sc6000.c b/sound/isa/sc6000.c
index d4a4ccfc2fd7..3032fa9e9f03 100644
--- a/sound/isa/sc6000.c
+++ b/sound/isa/sc6000.c
@@ -25,6 +25,7 @@
 
 #include <sound/driver.h>
 #include <linux/module.h>
+#include <linux/delay.h>
 #include <linux/isa.h>
 #include <linux/io.h>
 #include <asm/dma.h>