diff --git a/openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c b/openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c
index d79f2821b3..94aa6f73eb 100644
--- a/openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c
+++ b/openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c
@@ -113,8 +113,8 @@ NR_gNB_ULSCH_t *new_gNB_ulsch(uint8_t max_ldpc_iterations,uint16_t N_RB_UL, uint
     a_segments = a_segments/273 +1;
   }
 
-  uint16_t ulsch_bytes = a_segments*1056;  // allocated bytes per segment
-  ulsch = (NR_gNB_ULSCH_t *)malloc16(sizeof(NR_gNB_ULSCH_t));
+  uint32_t ulsch_bytes = a_segments*1056;  // allocated bytes per segment
+  ulsch = (NR_gNB_ULSCH_t *)malloc16_clear(sizeof(NR_gNB_ULSCH_t));
 
   ulsch->max_ldpc_iterations = max_ldpc_iterations;
   ulsch->Mlimit = 4;
@@ -132,7 +132,7 @@ NR_gNB_ULSCH_t *new_gNB_ulsch(uint8_t max_ldpc_iterations,uint16_t N_RB_UL, uint
     }
   }
 
-  return(NULL);
+  return(ulsch);
 }
 
 void clean_gNB_ulsch(NR_gNB_ULSCH_t *ulsch)