--- trunk/gadget/gadget.cc	2015/09/01 19:14:33	15
+++ trunk/gadget/gadget.cc	2015/10/13 11:29:01	16
@@ -6,7 +6,7 @@
 #include "stochasticdata.h"
 #include "interrupthandler.h"
 #include "global.h"
-#ifndef NO_OPENMP
+#ifdef _OPENMP
 #include <omp.h>
 #endif
 
@@ -149,7 +149,7 @@
 		  EcoSystem->writeStatus(main.getPrintInitialFile());
 	  	  }
 
-#ifndef NO_OPENMP
+#ifdef _OPENMP
 	  int numThr = omp_get_max_threads ( );
 	  EcoSystems = new Ecosystem*[numThr];
 	  int i;