diff --git a/eo/CMakeLists.txt b/eo/CMakeLists.txt
index 211cd3159..35b98d16f 100644
--- a/eo/CMakeLists.txt
+++ b/eo/CMakeLists.txt
@@ -109,7 +109,7 @@ ENDIF (ENABLE_CMAKE_TESTING)
 ### 5) Where must cmake go now ?
 ######################################################################################
 
-ADD_SUBDIRECTORY(app)
+#ADD_SUBDIRECTORY(app)
 ADD_SUBDIRECTORY(doc)
 ADD_SUBDIRECTORY(src)
 ADD_SUBDIRECTORY(test)
diff --git a/eo/src/apply.h b/eo/src/apply.h
index 63044c385..024dd8963 100644
--- a/eo/src/apply.h
+++ b/eo/src/apply.h
@@ -40,12 +40,10 @@
 template <class EOT>
 void apply(eoUF<EOT&, void>& _proc, std::vector<EOT>& _pop)
 {
-#ifdef _OPENMP
-
-    omp_set_num_threads(eo::parallel.nthreads());
-
     size_t size = _pop.size();
 
+#ifdef _OPENMP
+
     double t1 = omp_get_wtime();
 
     if (!eo::parallel.isDynamic())
diff --git a/eo/src/utils/eoParallel.cpp b/eo/src/utils/eoParallel.cpp
index e267ce7f1..fdc047ac1 100644
--- a/eo/src/utils/eoParallel.cpp
+++ b/eo/src/utils/eoParallel.cpp
@@ -25,6 +25,8 @@ Caner Candan <caner.candan@thalesgroup.com>
 
 */
 
+#include <omp.h>
+
 #include "eoParallel.h"
 
 eoParallel::eoParallel() :
@@ -74,6 +76,16 @@ void eoParallel::_createParameters( eoParser& parser )
 void make_parallel(eoParser& parser)
 {
     eo::parallel._createParameters( parser );
+
+#ifdef _OPENMP
+    if ( eo::parallel.isEnabled() )
+	{
+	    if ( eo::parallel.nthreads() > 0 )
+		{
+		    omp_set_num_threads( eo::parallel.nthreads() );
+		}
+	}
+#endif // !_OPENMP
 }
 
 eoParallel eo::parallel;
diff --git a/eo/test/t-eoParallel.cpp b/eo/test/t-eoParallel.cpp
index 055f45987..72d4f264a 100644
--- a/eo/test/t-eoParallel.cpp
+++ b/eo/test/t-eoParallel.cpp
@@ -2,6 +2,8 @@
 // t-eoParallel.cpp
 //-----------------------------------------------------------------------------
 
+#include <omp.h>
+
 #include <eo>
 #include <es/make_real.h>
 //#include <apply.h>
@@ -40,6 +42,14 @@ int main(int ac, char** av)
 
     eo::log << eo::quiet << "DONE!" << std::endl;
 
+#pragma omp parallel
+    {
+	if ( 0 == omp_get_thread_num() )
+	    {
+		eo::log << "num of threads: " << omp_get_num_threads() << std::endl;
+	    }
+    }
+
     return 0;
 }