diff --git a/pyfstat/mcmc_based_searches.py b/pyfstat/mcmc_based_searches.py
index 97bd65753863ed122eff7b81563de18d2e92bf7c..f56677e78ded241aa043d0e152f7d4b70f148258 100644
--- a/pyfstat/mcmc_based_searches.py
+++ b/pyfstat/mcmc_based_searches.py
@@ -2116,7 +2116,8 @@ class MCMCFollowUpSearch(MCMCSemiCoherentSearch):
             mid_labels += ['Production']
             for ax in axes[:self.ndim]:
                 axy = ax.twiny()
-                axy.tick_params(pad=6, axis='x', which='major')
+                axy.tick_params(pad=-10, direction='in', axis='x', which='major')
+                axy.minorticks_off()
                 axy.set_xlim(ax.get_xlim())
                 axy.set_xticks(mids)
                 axy.set_xticklabels(mid_labels)