1 files changed, 1 insertions, 0 deletions

diff --git a/sound/drivers/opl4/opl4_lib.c b/sound/drivers/opl4/opl4_lib.c
index f07e38da59b8..b953fb4aa298 100644
--- a/sound/drivers/opl4/opl4_lib.c
+++ b/sound/drivers/opl4/opl4_lib.c
@@ -22,6 +22,7 @@
 #include <linux/ioport.h>
 #include <linux/slab.h>
 #include <linux/init.h>
+#include <linux/module.h>
 #include <asm/io.h>
 
 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");