diff --git a/Hlt/Hlt2Conf/python/Hlt2Conf/lines/semileptonic/HbToHbprimeLNu.py b/Hlt/Hlt2Conf/python/Hlt2Conf/lines/semileptonic/HbToHbprimeLNu.py
index 9efb3c63a7cf82b15af7cbef3c4fa86fdb5e0249..3caa5c6662b2e1c1bc30c352b2c6a55e74f39899 100644
--- a/Hlt/Hlt2Conf/python/Hlt2Conf/lines/semileptonic/HbToHbprimeLNu.py
+++ b/Hlt/Hlt2Conf/python/Hlt2Conf/lines/semileptonic/HbToHbprimeLNu.py
@@ -104,12 +104,12 @@ def make_bctobsx(process, BcDecay, BsDecay):
         dss = make_ds_tokkpi(
             comb_m_min=1568.34,
             comb_m_max=2368.34,
-            comb_pt_any_min=None,
-            comb_pt_sum_min=None,
+            comb_pt_any_min=300 * MeV,
+            comb_pt_sum_min=1000 * MeV,
             daughter_p_min=3000 * MeV,
             daughter_pt_min=400 * MeV,
-            daughter_mipchi2_min=0,
-            vchi2pdof_max=10,
+            daughter_mipchi2_min=4,
+            vchi2pdof_max=8,
             bpvdira_min=0.99,
             bpvfdchi2_min=25,
             bpvvdz_min=0 * mm,
@@ -130,12 +130,12 @@ def make_bctobsx(process, BcDecay, BsDecay):
         dss = make_ds_tokkpi(
             comb_m_min=1568.34,
             comb_m_max=2368.34,
-            comb_pt_any_min=None,
-            comb_pt_sum_min=None,
+            comb_pt_any_min=300 * MeV,
+            comb_pt_sum_min=1000 * MeV,
             daughter_p_min=3000 * MeV,
             daughter_pt_min=400 * MeV,
-            daughter_mipchi2_min=0,
-            vchi2pdof_max=10,
+            daughter_mipchi2_min=4,
+            vchi2pdof_max=8,
             bpvdira_min=0.99,
             bpvfdchi2_min=25,
             bpvvdz_min=0 * mm,
@@ -159,7 +159,7 @@ def make_bctobsx(process, BcDecay, BsDecay):
             comb_pt_sum_min=500 * MeV,
             comb_docachi2_max=None,
             mother_pt_min=1000 * MeV,
-            vchi2pdof_max=15,
+            vchi2pdof_max=10,
             bpvfdchi2_min=25,
             bpvdira_min=0.9,
             bpvvdz_min=1.5)
@@ -174,7 +174,7 @@ def make_bctobsx(process, BcDecay, BsDecay):
             m_min=_PHI_M - 200 * MeV,
             m_max=_PHI_M + 200 * MeV,
             fdchi2_min=None,
-            vtx_chi2pdof_max=35,
+            vtx_chi2pdof_max=20,
             bpvdira_min=0.9)
         bss = make_bs2hh([jpsi, phi],
                          "[B_s0 -> J/psi(1S) phi(1020)]cc",