diff --git a/sensors/private_include/sc031gs.h b/sensors/private_include/sc031gs.h
index bf3cdec..93652d5 100644
--- a/sensors/private_include/sc031gs.h
+++ b/sensors/private_include/sc031gs.h
@@ -4,7 +4,7 @@
  *
  */
 #ifndef __SC031GS_H__
-#define __SC030GS_H__
+#define __SC031GS_H__
 
 #include "sensor.h"