diff --git a/cmake_targets/CMakeLists.txt b/cmake_targets/CMakeLists.txt
index ae1a53d5d4..b68db7ddb0 100644
--- a/cmake_targets/CMakeLists.txt
+++ b/cmake_targets/CMakeLists.txt
@@ -1600,6 +1600,7 @@ set(PHY_SRC_UE
   ${OPENAIR1_DIR}/PHY/NR_REFSIG/dmrs_nr.c
   ${OPENAIR1_DIR}/PHY/NR_REFSIG/ptrs_nr.c
   ${OPENAIR1_DIR}/PHY/NR_REFSIG/nr_gold_ue.c
+  ${OPENAIR1_DIR}/PHY/NR_REFSIG/nr_gen_mod_table.c
   ${OPENAIR1_DIR}/PHY/NR_UE_ESTIMATION/filt16a_32.c
   ${OPENAIR1_DIR}/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
   ${OPENAIR1_DIR}/PHY/NR_UE_ESTIMATION/nr_adjust_synch_ue.c
diff --git a/openair1/PHY/INIT/nr_init_ue.c b/openair1/PHY/INIT/nr_init_ue.c
index 1729ac0d9e..fed58dea12 100644
--- a/openair1/PHY/INIT/nr_init_ue.c
+++ b/openair1/PHY/INIT/nr_init_ue.c
@@ -39,6 +39,7 @@
 #include "PHY/NR_REFSIG/pss_nr.h"
 #include "PHY/NR_REFSIG/ul_ref_seq_nr.h"
 #include "PHY/NR_REFSIG/refsig_defs_ue.h"
+#include "PHY/NR_REFSIG/nr_refsig.h"
 
 //uint8_t dmrs1_tab_ue[8] = {0,2,3,4,6,8,9,10};
 
@@ -681,6 +682,8 @@ int init_nr_ue_signal(PHY_VARS_NR_UE *ue,
     ue->bitrate[eNB_id] = 0;
     ue->total_received_bits[eNB_id] = 0;
   }
+  // init NR modulation lookup tables
+  nr_generate_modulation_table();
 
   /////////////////////////PUSCH init/////////////////////////
   ///////////