Index: sources/test_regression/15062006/system.cpp
===================================================================
--- sources/test_regression/15062006/system.cpp	(revision 56)
+++ sources/test_regression/15062006/system.cpp	(revision 60)
@@ -77,4 +77,7 @@
     sc_signal<int> s01("s01"), s02("s02"), s03("s03"), s04("s04");
 
+    // Setup number of threads open-mp to 1 with the macro threads_omp()
+    threads_omp();
+
     test<int> test1("test1");
     test1.clk(signal_clk);