diff --git a/src/gaudio/sys_options.h b/src/gaudio/sys_options.h
index 1363d703..eb903424 100644
--- a/src/gaudio/sys_options.h
+++ b/src/gaudio/sys_options.h
@@ -14,7 +14,7 @@
  */
 
 #ifndef _GAUDIO_OPTIONS_H
-#define _GAUDOUT_OPTIONS_H
+#define _GAUDIO_OPTIONS_H
 
 /**
  * @name    GAUDIO Functionality to be included