diff --git a/libscio.hpp b/libscio.hpp
index 3e7a4ec..6b707a2 100644
--- a/libscio.hpp
+++ b/libscio.hpp
@@ -191,10 +191,10 @@ namespace sc {
         };
 
         enum class byte_order {
-        undefined,
-        little_endian,
-        big_endian
-    };
+            undefined,
+            little_endian,
+            big_endian
+        };
 
         class data_streamer {
             public: