diff --git a/drivers/staging/b3dfg/b3dfg.c b/drivers/staging/b3dfg/b3dfg.c
index 94c5d27d24d7..cda26bb493b3 100644
--- a/drivers/staging/b3dfg/b3dfg.c
+++ b/drivers/staging/b3dfg/b3dfg.c
@@ -36,6 +36,7 @@
 #include <linux/wait.h>
 #include <linux/mm.h>
 #include <linux/uaccess.h>
+#include <linux/sched.h>
 
 static unsigned int b3dfg_nbuf = 2;