diff --git a/matlab/set_prior.m b/matlab/set_prior.m
index fc7dae0dccf453af626744904bfd980a9c2a717e..64931ce1135c74468c48bf8dfbfed030dfed011e 100644
--- a/matlab/set_prior.m
+++ b/matlab/set_prior.m
@@ -185,7 +185,7 @@ k2 = find(isnan(bayestopt_.p4(k)));
 bayestopt_.p3(k(k1)) = zeros(length(k1),1);
 bayestopt_.p4(k(k2)) = Inf(length(k2),1);
 for i=1:length(k)
-    [bayestopt_.p6(k(i)), bayestopt_.p7(k(i))] = gamma_specification(bayestopt_.p1(k(i)), bayestopt_.p2(k(i))^2, bayestopt_.p3(k(i)), bayestopt_.p4(k(i)), bayestopt_.name{k(i)});
+    [bayestopt_.p6(k(i)), bayestopt_.p7(k(i))] = gamma_specification(bayestopt_.p1(k(i)), bayestopt_.p2(k(i))^2, bayestopt_.p3(k(i)), bayestopt_.name{k(i)});
     bayestopt_.p5(k(i)) = compute_prior_mode([ bayestopt_.p6(k(i)) , bayestopt_.p7(k(i)) , bayestopt_.p3(k(i)) ], 2) ;
 end