diff --git a/sound/pci/mixart/mixart_hwdep.c b/sound/pci/mixart/mixart_hwdep.c
index 1d9232d2db34..170781a72292 100644
--- a/sound/pci/mixart/mixart_hwdep.c
+++ b/sound/pci/mixart/mixart_hwdep.c
@@ -24,6 +24,7 @@
 #include <linux/interrupt.h>
 #include <linux/pci.h>
 #include <linux/firmware.h>
+#include <linux/vmalloc.h>
 #include <asm/io.h>
 #include <sound/core.h>
 #include "mixart.h"