Index: mttroot/mtt/lib/rep/sfun_rep/mex_ae.c.tmpl
==================================================================
--- mttroot/mtt/lib/rep/sfun_rep/mex_ae.c.tmpl
+++ mttroot/mtt/lib/rep/sfun_rep/mex_ae.c.tmpl
@@ -25,11 +25,11 @@
   return (double *) p;
 }
 
 /* system equations */
 
-static double *
+static void
 <mtt_model_name>_ae (double *mttyz,
 		     const double *mttx,
 		     const double *mttu,
 		     const double mttt,
 		     const double *mttpar)