diff --git a/problems/DTLZ/src/DTLZ1Eval.cpp b/problems/DTLZ/src/DTLZ1Eval.cpp
index 2edbf2ab8..9457f0390 100644
--- a/problems/DTLZ/src/DTLZ1Eval.cpp
+++ b/problems/DTLZ/src/DTLZ1Eval.cpp
@@ -48,7 +48,7 @@ void DTLZ1Eval::operator() (DTLZ & _element)
         int nbVar= _element.size();
         int k;
         double g;
-        DTLZObjectiveVector objVec(nbVar);
+        DTLZObjectiveVector objVec;
 
         k = nbVar - nbFun + 1;
         g = 0.0;
diff --git a/problems/DTLZ/src/DTLZ7Eval.cpp b/problems/DTLZ/src/DTLZ7Eval.cpp
index 6f683d50b..4106d87ab 100644
--- a/problems/DTLZ/src/DTLZ7Eval.cpp
+++ b/problems/DTLZ/src/DTLZ7Eval.cpp
@@ -48,7 +48,7 @@ void DTLZ7Eval::operator() (DTLZ & _element)
         int nbVar= _element.size();
         int k;
         double f, g, h;
-        DTLZObjectiveVector objVec(nbVar);
+        DTLZObjectiveVector objVec;
 
         k = nbVar - nbFun + 1;
         g = 0.0;