diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c
index 8d5e4c6fdd8e..774507b54b57 100644
--- a/drivers/i2c/i2c-mux.c
+++ b/drivers/i2c/i2c-mux.c
@@ -26,6 +26,7 @@
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/slab.h>
+#include <linux/sysfs.h>
 
 /* multiplexer per channel data */
 struct i2c_mux_priv {