diff --git a/matlab/ep/extended_path_core.m b/matlab/ep/extended_path_core.m
index 1768c0bbd60731f0813270540c766c37c6497d4b..d307d5b40d9ef8b839c4beb845fdad13b3e85db5 100644
--- a/matlab/ep/extended_path_core.m
+++ b/matlab/ep/extended_path_core.m
@@ -41,7 +41,7 @@ if debug
 end
 
 if bytecode_flag && ~ep.stochastic.order
-    [flag, tmp] = bytecode('dynamic', endo_simul, exo_simul, M_.params, endo_simul, periods);
+    [flag, tmp] = bytecode('dynamic', endo_simul, exo_simul, M.params, endo_simul, periods);
 else
     flag = true;
 end