diff --git a/matlab/plot_shock_decomposition.m b/matlab/plot_shock_decomposition.m
index 7d3cb342acc584293d9c706735cddaece1804251..e717e16a674f0365272b1a0f26e079ed55d18757 100644
--- a/matlab/plot_shock_decomposition.m
+++ b/matlab/plot_shock_decomposition.m
@@ -437,6 +437,7 @@ switch type
             if isstruct(q2a.aux) && ischar(q2a.aux.y)
                 opts=options_;
                 opts.plot_shock_decomp.type='qoq';
+                opts.plot_shock_decomp.use_shock_groups=[];
                 [y_aux, steady_state_aux] = plot_shock_decomposition(M_,oo_,opts,q2a.aux.y);
                 q2a.aux.y=y_aux;
                 q2a.aux.yss=steady_state_aux;