diff --git a/input/single_analysis_double4bar_linkage.m b/input/single_analysis_double4bar_linkage.m
index 4c16032..4a2c485 100644
--- a/input/single_analysis_double4bar_linkage.m
+++ b/input/single_analysis_double4bar_linkage.m
@@ -29,7 +29,7 @@
 
 %% Integrator
 % Name of routine in /classes/Integrator
-INTEGRATOR = 'GGL_VI_mod';
+INTEGRATOR = 'GGL_VI_mod_visc';
 % Parameters of the method
 INT_PARA = [NaN, NaN];
 % time step size
diff --git a/start_metis_single_analysis.m b/start_metis_single_analysis.m
index 4ccc2cf..4d008f0 100755
--- a/start_metis_single_analysis.m
+++ b/start_metis_single_analysis.m
@@ -25,7 +25,7 @@
 % Add all subdirectories and to the current path
 addpath(genpath(fileparts(which(mfilename))));
 % Metis creates objects from input-file
-[simulation, system, integrator, solver] = Metis('input/single_analysis_rigid_body_moving', 1, 1);
+[simulation, system, integrator, solver] = Metis('input/single_analysis_double4bar_linkage', 1, 1);
 
 %% METIS solver
 % Solve system with chosen solver and integration scheme