diff --git a/openair1/PHY/INIT/nr_parms.c b/openair1/PHY/INIT/nr_parms.c
index b6bac578f9..8c9480031f 100644
--- a/openair1/PHY/INIT/nr_parms.c
+++ b/openair1/PHY/INIT/nr_parms.c
@@ -317,6 +317,8 @@ int nr_init_frame_parms_ue(NR_DL_FRAME_PARMS *fp,
 
   set_scs_parameters(fp,fp->numerology_index);
 
+  fp->slots_per_frame = 10* fp->slots_per_subframe;
+
   fp->nb_antenna_ports_gNB = 1; // default value until overwritten by RRCConnectionReconfiguration
   fp->nb_antennas_rx = 1; // default value until overwritten by RRCConnectionReconfiguration
   fp->nb_antennas_tx = 1; // default value until overwritten by RRCConnectionReconfiguration