diff --git a/include/anthem/input/Location.h b/include/anthem/input/Location.h
index 7beb227..efd1d69 100644
--- a/include/anthem/input/Location.h
+++ b/include/anthem/input/Location.h
@@ -1,5 +1,5 @@
-#ifndef __ANTHEM__OUTPUT__LOCATION_H
-#define __ANTHEM__OUTPUT__LOCATION_H
+#ifndef __ANTHEM__INPUT__LOCATION_H
+#define __ANTHEM__INPUT__LOCATION_H
 
 #include <cstdlib>
 
diff --git a/include/anthem/output/Formatting.h b/include/anthem/output/Formatting.h
index 346c4d3..4a556eb 100644
--- a/include/anthem/output/Formatting.h
+++ b/include/anthem/output/Formatting.h
@@ -1,5 +1,5 @@
-#ifndef __ANTHEM_OUTPUT__FORMATTING_H
-#define __ANTHEM_OUTPUT__FORMATTING_H
+#ifndef __ANTHEM__OUTPUT__FORMATTING_H
+#define __ANTHEM__OUTPUT__FORMATTING_H
 
 #include <iostream>