diff --git a/include/dynamic-graph/logger.h b/include/dynamic-graph/logger.h
index 884c943ed3512c93bfe3ade9ef6c2a090f46837e..2f018f7d8c4e071ede3a51a36bc4430e4ee54400 100644
--- a/include/dynamic-graph/logger.h
+++ b/include/dynamic-graph/logger.h
@@ -61,14 +61,14 @@ namespace dynamicgraph {
 #define SEND_WARNING_STREAM_MSG(msg) SEND_MSG(msg, MSG_TYPE_WARNING_STREAM)
 #define SEND_ERROR_STREAM_MSG(msg) SEND_MSG(msg, MSG_TYPE_ERROR_STREAM)
 
-template<typename T>
-std::string toString(const T& v, const int precision=3, const int width=-1)
-{
+template <typename T>
+std::string toString(const T &v, const int precision = 3,
+                     const int width = -1) {
   std::stringstream ss;
-  if(width>precision)
-    ss<<std::fixed<<std::setw(width)<<std::setprecision(precision)<<v;
+  if (width > precision)
+    ss << std::fixed << std::setw(width) << std::setprecision(precision) << v;
   else
-    ss<<std::fixed<<std::setprecision(precision)<<v;
+    ss << std::fixed << std::setprecision(precision) << v;
   return ss.str();
 }
 
diff --git a/tests/debug-logger.cpp b/tests/debug-logger.cpp
index db15ee05b0c7a6d46e13a6d039b5217548050658..4357c1fd48a58990613711a70ef6da7575c61380 100644
--- a/tests/debug-logger.cpp
+++ b/tests/debug-logger.cpp
@@ -51,15 +51,17 @@ public:
     sendMsg("This is a message of level MSG_TYPE_ERROR_STREAM",
             MSG_TYPE_ERROR_STREAM);
     /* Add test toString */
-    double q=1.0;
-    sendMsg("Value to display: "+toString(q));
+    double q = 1.0;
+    sendMsg("Value to display: " + toString(q));
     std::vector<double> vq;
     vq.resize(3);
-    vq[0] = 1.0; vq[1] = 2.0; vq[2] = 3.0;
-    sendMsg("Value to display: "+toString(vq));
-    Eigen::Matrix<double,3,3> an_eig_m;
+    vq[0] = 1.0;
+    vq[1] = 2.0;
+    vq[2] = 3.0;
+    sendMsg("Value to display: " + toString(vq));
+    Eigen::Matrix<double, 3, 3> an_eig_m;
     an_eig_m.Ones();
-    sendMsg("Value to display: "+toString(an_eig_m));
+    sendMsg("Value to display: " + toString(an_eig_m));
     logger_.countdown();
   }
 };