diff --git a/drivers/staging/rtl8723bs/include/basic_types.h b/drivers/staging/rtl8723bs/include/basic_types.h
index d0b2ec25327a..76304086107a 100644
--- a/drivers/staging/rtl8723bs/include/basic_types.h
+++ b/drivers/staging/rtl8723bs/include/basic_types.h
@@ -13,7 +13,7 @@
 
 #include <linux/types.h>
 
-#define FIELD_OFFSET(s, field)	((__kernel_ssize_t)&((s*)(0))->field)
+#define FIELD_OFFSET(s, field)	((__kernel_ssize_t)&((s *)(0))->field)
 
 #define SIZE_PTR __kernel_size_t
 #define SSIZE_PTR __kernel_ssize_t