diff --git a/matlab/set_prior.m b/matlab/set_prior.m
index a0e8b9632..b71730c8a 100644
--- a/matlab/set_prior.m
+++ b/matlab/set_prior.m
@@ -259,8 +259,8 @@ if options_.initialize_estimated_parameters_with_the_prior_mode
     if ~isempty(k)
         xparam1(k) = bayestopt_.p1(k);
     end
-    xparam1 = transpose(xparam1);
-end 
+    xparam1 = xparam1;
+end
 
 % I create subfolder M_.dname/prior if needed.
 CheckPath('prior',M_.dname);