diff --git a/matRad_fluenceOptimization.m b/matRad_fluenceOptimization.m
index aa7d3cc3e..89c045172 100644
--- a/matRad_fluenceOptimization.m
+++ b/matRad_fluenceOptimization.m
@@ -1,13 +1,15 @@
-function [resultGUI,optimizer] = matRad_fluenceOptimization(dij,cst,pln)
+function [resultGUI,optimizer] = matRad_fluenceOptimization(dij,cst,pln,wInit)
 % matRad inverse planning wrapper function
 % 
 % call
 %   [resultGUI,optimizer] = matRad_fluenceOptimization(dij,cst,pln)
+%   [resultGUI,optimizer] = matRad_fluenceOptimization(dij,cst,pln,wInit)
 %
 % input
 %   dij:        matRad dij struct
 %   cst:        matRad cst struct
 %   pln:        matRad pln struct
+%   wInit:      (optional) custom weights to initialize problems
 %
 % output
 %   resultGUI:  struct containing optimized fluence vector, dose, and (for
@@ -109,7 +111,9 @@
 
 end
 % calculate initial beam intensities wInit
-if  strcmp(pln.propOpt.bioOptimization,'const_RBExD') && strcmp(pln.radiationMode,'protons')
+if exist('wInit','var')
+    %do Nothing
+elseif  strcmp(pln.propOpt.bioOptimization,'const_RBExD') && strcmp(pln.radiationMode,'protons')
     
     % check if a constant RBE is defined - if not use 1.1
     if ~isfield(dij,'RBE')
diff --git a/optimization/optimizer/matRad_OptimizerIPOPT.m b/optimization/optimizer/matRad_OptimizerIPOPT.m
index 2cfc690f3..8f493d77c 100644
--- a/optimization/optimizer/matRad_OptimizerIPOPT.m
+++ b/optimization/optimizer/matRad_OptimizerIPOPT.m
@@ -64,17 +64,17 @@
             obj.options.print_options_documentation   = 'no';
             
             % Termination (C.2)
-            obj.options.tol                           = 1e-8; % (Opt1)
-            obj.options.dual_inf_tol                  = 1;    % (Opt2)
+            obj.options.tol                           = 1e-10; % (Opt1)
+            obj.options.dual_inf_tol                  = 1e-4;    % (Opt2)
             obj.options.constr_viol_tol               = 1e-4; % (Opt3)
             obj.options.compl_inf_tol                 = 1e-4; % (Opt4), Optimal Solution Found if (Opt1),...,(Opt4) fullfiled
             
-            obj.options.acceptable_iter               = 3;    % (Acc1)
+            obj.options.acceptable_iter               = 5;    % (Acc1)
             obj.options.acceptable_tol                = 1e10; % (Acc2)
-            obj.options.acceptable_constr_viol_tol    = 1e10; % (Acc3)
+            obj.options.acceptable_constr_viol_tol    = 1e-2; % (Acc3)
             obj.options.acceptable_dual_inf_tol       = 1e10; % (Acc4)
             obj.options.acceptable_compl_inf_tol      = 1e10; % (Acc5)
-            obj.options.acceptable_obj_change_tol     = 1e-3; % (Acc6), Solved To Acceptable Level if (Acc1),...,(Acc6) fullfiled
+            obj.options.acceptable_obj_change_tol     = 1e-4; % (Acc6), Solved To Acceptable Level if (Acc1),...,(Acc6) fullfiled
             
             obj.options.max_iter                      = matRad_cfg.propOpt.defaultMaxIter;
             obj.options.max_cpu_time                  = 3000;