diff --git a/matlab/extended_path.m b/matlab/extended_path.m
index ea4e424cb..73c3cc3ec 100644
--- a/matlab/extended_path.m
+++ b/matlab/extended_path.m
@@ -124,7 +124,7 @@ while (t<=sample_size)
             norme
             INFO
         end
-        if isnan(INFO)
+        if ~isstruct(INFO) && isnan(INFO)
             t = t-1;
             new_draw = 0;
         else
diff --git a/matlab/homotopic_steps.m b/matlab/homotopic_steps.m
index 22d71d06f..aa798e8fd 100644
--- a/matlab/homotopic_steps.m
+++ b/matlab/homotopic_steps.m
@@ -45,7 +45,7 @@ end
 if reduce_step
     step=step/1.5;
     [info,number_of_calls] = homotopic_steps(tdx,positive_var_indx,shocks,old_weight,step,init,number_of_calls);
-    if ~isnan(info)
+    if isstruct(info) && ~isnan(info.error)
         time = time+info.time;
         return
     else