diff --git a/matlab/ep/extended_path_core.m b/matlab/ep/extended_path_core.m
index eb8b2454dd7d0a220c2d35443994491be8147654..99575734277ed5f0c45421fa7b92f001c0c1e1f5 100644
--- a/matlab/ep/extended_path_core.m
+++ b/matlab/ep/extended_path_core.m
@@ -42,7 +42,7 @@ end
 
 if bytecode_flag && ~ep.stochastic.order
     try
-        tmp = bytecode('dynamic', endo_simul, exo_simul, M_.params, endo_simul, periods);
+        tmp = bytecode('dynamic', endo_simul, exo_simul, M.params, endo_simul, periods);
         flag = false;
     catch ME
         disp(ME.message);