diff --git a/lib/src/phy/phch/test/pssch_pscch_file_test.c b/lib/src/phy/phch/test/pssch_pscch_file_test.c
index ecc6e161d..69f252e24 100644
--- a/lib/src/phy/phch/test/pssch_pscch_file_test.c
+++ b/lib/src/phy/phch/test/pssch_pscch_file_test.c
@@ -144,18 +144,21 @@ int base_init()
     ERROR("Error allocating memory\n");
     return SRSLTE_ERROR;
   }
+  srslte_vec_cf_zero(sf_buffer, sf_n_re);
 
   equalized_sf_buffer = srslte_vec_cf_malloc(sf_n_re);
   if (!equalized_sf_buffer) {
     ERROR("Error allocating memory\n");
     return SRSLTE_ERROR;
   }
+  srslte_vec_cf_zero(equalized_sf_buffer, sf_n_re);
 
   input_buffer = srslte_vec_cf_malloc(sf_n_samples);
   if (!input_buffer) {
     ERROR("Error allocating memory\n");
     return SRSLTE_ERROR;
   }
+  srslte_vec_cf_zero(input_buffer, sf_n_samples);
 
   srslte_sci_init(&sci, cell, sl_comm_resource_pool);
 
diff --git a/lib/src/phy/phch/test/pssch_test.c b/lib/src/phy/phch/test/pssch_test.c
index 3027a87c0..8300ad3b3 100644
--- a/lib/src/phy/phch/test/pssch_test.c
+++ b/lib/src/phy/phch/test/pssch_test.c
@@ -109,6 +109,11 @@ int main(int argc, char** argv)
   uint32_t N_x_id    = 255;
   uint32_t sf_n_re   = SRSLTE_SF_LEN_RE(cell.nof_prb, cell.cp);
   cf_t*    sf_buffer = srslte_vec_cf_malloc(sf_n_re);
+  if (!sf_buffer) {
+    ERROR("Error allocating memory\n");
+    return SRSLTE_ERROR;
+  }
+  srslte_vec_cf_zero(sf_buffer, sf_n_re);
 
   // Transport block buffer
   uint8_t tb[SRSLTE_SL_SCH_MAX_TB_LEN] = {};