diff --git a/.travis.yml b/.travis.yml
index 20cae2d60c23e88eb1942e16a70f64e520387474..cd2aa09799288051396e93dcd3b7456d94a25f9c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -42,4 +42,4 @@ notifications:
        - mohcine@chraibi.de
      on_success: change
      on_failure: always
-     
\ No newline at end of file
+
diff --git a/math/VelocityModel.cpp b/math/VelocityModel.cpp
index 511672b2271ab0ad8dc97cc97787950fc14ffed7..a7b8278e8782daec065d44e21a6a5dff1789d596 100644
--- a/math/VelocityModel.cpp
+++ b/math/VelocityModel.cpp
@@ -150,7 +150,7 @@ void VelocityModel::ComputeNextTimeStep(double current, double deltaT, Building*
       nSize = allPeds.size();
 
       int nThreads = omp_get_max_threads();
-      nThreads = 1; //debug only
+      //nThreads = 1; //debug only
       int partSize;
       partSize = (int) (nSize / nThreads);