diff --git a/src/util/hei_bit_string.cpp b/src/util/hei_bit_string.cpp
index 25443a6..24de34e 100755
--- a/src/util/hei_bit_string.cpp
+++ b/src/util/hei_bit_string.cpp
@@ -2,9 +2,8 @@
  *  @brief BitString and BitStringBuffer class definitions
  */
 
-#include <util/hei_bit_string.hpp>
-
 #include <hei_user_defines.hpp>
+#include <util/hei_bit_string.hpp>
 
 #include <algorithm>
 
diff --git a/src/util/hei_flyweight.hpp b/src/util/hei_flyweight.hpp
index cd56d82..de0f055 100644
--- a/src/util/hei_flyweight.hpp
+++ b/src/util/hei_flyweight.hpp
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <stdint.h>
+
 #include <algorithm>
 #include <vector>