diff --git a/matlab/dsge_likelihood.m b/matlab/dsge_likelihood.m
index d2c8bb9ddb3d860845cee13b41cc90ef1bbed6ba..bfc89403af5adb1d51942fc715c022086ba4b212 100644
--- a/matlab/dsge_likelihood.m
+++ b/matlab/dsge_likelihood.m
@@ -715,12 +715,14 @@ end
 
 if isnan(LIK)
     info = 45;
+    fval = objective_function_penalty_base + 100;
     exit_flag = 0;
     return
 end
 
 if imag(LIK)~=0
     info = 46;
+    fval = objective_function_penalty_base + 100;
     exit_flag = 0;
     return
 end
@@ -753,12 +755,14 @@ fval    = (likelihood-lnprior);
 
 if isnan(fval)
     info = 47;
+    fval = objective_function_penalty_base + 100;
     exit_flag = 0;
     return
 end
 
 if imag(fval)~=0
     info = 48;
+    fval = objective_function_penalty_base + 100;
     exit_flag = 0;
     return
 end