diff --git a/sst28sf040.h b/sst28sf040.h
index ab2641d..ca57eff 100644
--- a/sst28sf040.h
+++ b/sst28sf040.h
@@ -1,8 +1,8 @@
 #ifndef __SST28SF040_H__
 #define __SST28SF040_H__
 
-extern int probe_28sf040 (struct flashchip * flash);
-extern int erase_28sf040 (struct flashchip * flash);
-extern int write_28sf040 (struct flashchip * flash, unsigned char * buf);
+extern int probe_28sf040(struct flashchip *flash);
+extern int erase_28sf040(struct flashchip *flash);
+extern int write_28sf040(struct flashchip *flash, unsigned char *buf);
 
-#endif /* !__SST28SF040_H__ */
+#endif				/* !__SST28SF040_H__ */