diff --git a/Euclidean.hpp b/Euclidean.hpp
index 7aab0e4..5b08d0a 100644
--- a/Euclidean.hpp
+++ b/Euclidean.hpp
@@ -2,6 +2,7 @@
 #define __EUCLIDIAN_HPP__
 
 #include <math.h>
+#include <vector>
 
 class Euclidean
 {
diff --git a/main.cpp b/main.cpp
index 7b55667..1ca5eb4 100644
--- a/main.cpp
+++ b/main.cpp
@@ -42,7 +42,6 @@ void showMatrix(CImg<float> img) {
     std::cout << std::endl;
 }
 
-
 /*******************************************************************************
   Main
  *******************************************************************************/