Index: sources/test_regression/16112005c/system.cpp
===================================================================
--- sources/test_regression/16112005c/system.cpp	(revision 56)
+++ sources/test_regression/16112005c/system.cpp	(revision 60)
@@ -38,4 +38,7 @@
     sc_signal<int> s1("s1"), s2("s2"), s3("s3"), s4("s4");
 
+    // Setup number of threads open-mp to 1 with the macro threads_omp()
+    threads_omp();
+
     m.i1 (s1);
     m.i2 (s1);